Home / 905,360.58-1,248,929.10-614,987.10

Finding the Fourth Proportional to 905,360.58, 1,248,929.10 and 614,987.10

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Solution

The fourth proportional to 905,360.58, 1,248,929.10 and 614,987.10 is: 848,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,360.58 : 1,248,929.10 = 614,987.10 : x
  2. Step 2: Convert to fraction form
    905,360.58/1,248,929.10 = 614,987.10/x
  3. Step 3: Cross multiply
    905,360.58x = 1,248,929.10 × 614,987.10
  4. Step 4: Simplify right side
    905,360.58x = 768,075,285,314.61
  5. Step 5: Solve for x
    x = 768,075,285,314.61/905,360.58
  6. Step 6: Final answer
    x = 848,363.96

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.