Home / 1,026,075.60-1,539,113.40-316,321.20

Finding the Fourth Proportional to 1,026,075.60, 1,539,113.40 and 316,321.20

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Solution

The fourth proportional to 1,026,075.60, 1,539,113.40 and 316,321.20 is: 474,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,075.60 : 1,539,113.40 = 316,321.20 : x
  2. Step 2: Convert to fraction form
    1,026,075.60/1,539,113.40 = 316,321.20/x
  3. Step 3: Cross multiply
    1,026,075.60x = 1,539,113.40 × 316,321.20
  4. Step 4: Simplify right side
    1,026,075.60x = 486,854,197,624.08
  5. Step 5: Solve for x
    x = 486,854,197,624.08/1,026,075.60
  6. Step 6: Final answer
    x = 474,481.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.