Home / 656,742.52-985,113.78-507,200.93

Finding the Fourth Proportional to 656,742.52, 985,113.78 and 507,200.93

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Solution

The fourth proportional to 656,742.52, 985,113.78 and 507,200.93 is: 760,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,742.52 : 985,113.78 = 507,200.93 : x
  2. Step 2: Convert to fraction form
    656,742.52/985,113.78 = 507,200.93/x
  3. Step 3: Cross multiply
    656,742.52x = 985,113.78 × 507,200.93
  4. Step 4: Simplify right side
    656,742.52x = 499,650,625,371.82
  5. Step 5: Solve for x
    x = 499,650,625,371.82/656,742.52
  6. Step 6: Final answer
    x = 760,801.40

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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.