Home / 471,528.47-707,292.95-155,985.38

Finding the Fourth Proportional to 471,528.47, 707,292.95 and 155,985.38

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Solution

The fourth proportional to 471,528.47, 707,292.95 and 155,985.38 is: 233,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,528.47 : 707,292.95 = 155,985.38 : x
  2. Step 2: Convert to fraction form
    471,528.47/707,292.95 = 155,985.38/x
  3. Step 3: Cross multiply
    471,528.47x = 707,292.95 × 155,985.38
  4. Step 4: Simplify right side
    471,528.47x = 110,327,360,565.38
  5. Step 5: Solve for x
    x = 110,327,360,565.38/471,528.47
  6. Step 6: Final answer
    x = 233,978.15

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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.