Home / 907,532.10-1,361,298.15-509,400.90

Finding the Fourth Proportional to 907,532.10, 1,361,298.15 and 509,400.90

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Solution

The fourth proportional to 907,532.10, 1,361,298.15 and 509,400.90 is: 764,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,532.10 : 1,361,298.15 = 509,400.90 : x
  2. Step 2: Convert to fraction form
    907,532.10/1,361,298.15 = 509,400.90/x
  3. Step 3: Cross multiply
    907,532.10x = 1,361,298.15 × 509,400.90
  4. Step 4: Simplify right side
    907,532.10x = 693,446,502,778.34
  5. Step 5: Solve for x
    x = 693,446,502,778.34/907,532.10
  6. Step 6: Final answer
    x = 764,101.35

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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.