Home / 951,220.68-1,312,684.22-521,491.59

Finding the Fourth Proportional to 951,220.68, 1,312,684.22 and 521,491.59

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Solution

The fourth proportional to 951,220.68, 1,312,684.22 and 521,491.59 is: 719,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,220.68 : 1,312,684.22 = 521,491.59 : x
  2. Step 2: Convert to fraction form
    951,220.68/1,312,684.22 = 521,491.59/x
  3. Step 3: Cross multiply
    951,220.68x = 1,312,684.22 × 521,491.59
  4. Step 4: Simplify right side
    951,220.68x = 684,553,778,448.25
  5. Step 5: Solve for x
    x = 684,553,778,448.25/951,220.68
  6. Step 6: Final answer
    x = 719,658.22

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1.5x scale

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.