Home / 528,331.28-729,097.17-301,981.64

Finding the Fourth Proportional to 528,331.28, 729,097.17 and 301,981.64

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Solution

The fourth proportional to 528,331.28, 729,097.17 and 301,981.64 is: 416,734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,331.28 : 729,097.17 = 301,981.64 : x
  2. Step 2: Convert to fraction form
    528,331.28/729,097.17 = 301,981.64/x
  3. Step 3: Cross multiply
    528,331.28x = 729,097.17 × 301,981.64
  4. Step 4: Simplify right side
    528,331.28x = 220,173,956,538.26
  5. Step 5: Solve for x
    x = 220,173,956,538.26/528,331.28
  6. Step 6: Final answer
    x = 416,734.66

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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.