Home / 930,156.60-1,395,234.90-299,134.20

Finding the Fourth Proportional to 930,156.60, 1,395,234.90 and 299,134.20

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Solution

The fourth proportional to 930,156.60, 1,395,234.90 and 299,134.20 is: 448,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,156.60 : 1,395,234.90 = 299,134.20 : x
  2. Step 2: Convert to fraction form
    930,156.60/1,395,234.90 = 299,134.20/x
  3. Step 3: Cross multiply
    930,156.60x = 1,395,234.90 × 299,134.20
  4. Step 4: Simplify right side
    930,156.60x = 417,362,475,623.58
  5. Step 5: Solve for x
    x = 417,362,475,623.58/930,156.60
  6. Step 6: Final answer
    x = 448,701.30

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Half scale
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Double scale
Find fourth proportional to 930,157.60, 1,395,236.40 and 299,135.20
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.