Home / 951,146.14-1,312,581.56-521,429.31

Finding the Fourth Proportional to 951,146.14, 1,312,581.56 and 521,429.31

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Solution

The fourth proportional to 951,146.14, 1,312,581.56 and 521,429.31 is: 719,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,146.14 : 1,312,581.56 = 521,429.31 : x
  2. Step 2: Convert to fraction form
    951,146.14/1,312,581.56 = 521,429.31/x
  3. Step 3: Cross multiply
    951,146.14x = 1,312,581.56 × 521,429.31
  4. Step 4: Simplify right side
    951,146.14x = 684,418,497,149.52
  5. Step 5: Solve for x
    x = 684,418,497,149.52/951,146.14
  6. Step 6: Final answer
    x = 719,572.39

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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.