Home / 950,874.49-1,312,147.29-521,124.13

Finding the Fourth Proportional to 950,874.49, 1,312,147.29 and 521,124.13

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Solution

The fourth proportional to 950,874.49, 1,312,147.29 and 521,124.13 is: 719,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,874.49 : 1,312,147.29 = 521,124.13 : x
  2. Step 2: Convert to fraction form
    950,874.49/1,312,147.29 = 521,124.13/x
  3. Step 3: Cross multiply
    950,874.49x = 1,312,147.29 × 521,124.13
  4. Step 4: Simplify right side
    950,874.49x = 683,791,614,933.11
  5. Step 5: Solve for x
    x = 683,791,614,933.11/950,874.49
  6. Step 6: Final answer
    x = 719,118.69

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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.