Home / 730,462.11-1,008,035.51-408,172.52

Finding the Fourth Proportional to 730,462.11, 1,008,035.51 and 408,172.52

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Solution

The fourth proportional to 730,462.11, 1,008,035.51 and 408,172.52 is: 563,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,462.11 : 1,008,035.51 = 408,172.52 : x
  2. Step 2: Convert to fraction form
    730,462.11/1,008,035.51 = 408,172.52/x
  3. Step 3: Cross multiply
    730,462.11x = 1,008,035.51 × 408,172.52
  4. Step 4: Simplify right side
    730,462.11x = 411,452,387,285.15
  5. Step 5: Solve for x
    x = 411,452,387,285.15/730,462.11
  6. Step 6: Final answer
    x = 563,276.84

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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.