Home / 656,655.42-906,325.38-414,784.17

Finding the Fourth Proportional to 656,655.42, 906,325.38 and 414,784.17

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Solution

The fourth proportional to 656,655.42, 906,325.38 and 414,784.17 is: 572,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,655.42 : 906,325.38 = 414,784.17 : x
  2. Step 2: Convert to fraction form
    656,655.42/906,325.38 = 414,784.17/x
  3. Step 3: Cross multiply
    656,655.42x = 906,325.38 × 414,784.17
  4. Step 4: Simplify right side
    656,655.42x = 375,929,420,493.24
  5. Step 5: Solve for x
    x = 375,929,420,493.24/656,655.42
  6. Step 6: Final answer
    x = 572,491.16

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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.