Home / 472,561.10-708,906.45-156,985.10

Finding the Fourth Proportional to 472,561.10, 708,906.45 and 156,985.10

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Solution

The fourth proportional to 472,561.10, 708,906.45 and 156,985.10 is: 235,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,561.10 : 708,906.45 = 156,985.10 : x
  2. Step 2: Convert to fraction form
    472,561.10/708,906.45 = 156,985.10/x
  3. Step 3: Cross multiply
    472,561.10x = 708,906.45 × 156,985.10
  4. Step 4: Simplify right side
    472,561.10x = 111,287,749,943.90
  5. Step 5: Solve for x
    x = 111,287,749,943.90/472,561.10
  6. Step 6: Final answer
    x = 235,499.18

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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.