Home / 762,314.76-1,143,495.90-282,661.92

Finding the Fourth Proportional to 762,314.76, 1,143,495.90 and 282,661.92

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Solution

The fourth proportional to 762,314.76, 1,143,495.90 and 282,661.92 is: 424,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,314.76 : 1,143,495.90 = 282,661.92 : x
  2. Step 2: Convert to fraction form
    762,314.76/1,143,495.90 = 282,661.92/x
  3. Step 3: Cross multiply
    762,314.76x = 1,143,495.90 × 282,661.92
  4. Step 4: Simplify right side
    762,314.76x = 323,222,746,606.13
  5. Step 5: Solve for x
    x = 323,222,746,606.13/762,314.76
  6. Step 6: Final answer
    x = 424,001.69

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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.