Home / 951,230.72-1,312,663.56-521,501.42

Finding the Fourth Proportional to 951,230.72, 1,312,663.56 and 521,501.42

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Solution

The fourth proportional to 951,230.72, 1,312,663.56 and 521,501.42 is: 719,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,230.72 : 1,312,663.56 = 521,501.42 : x
  2. Step 2: Convert to fraction form
    951,230.72/1,312,663.56 = 521,501.42/x
  3. Step 3: Cross multiply
    951,230.72x = 1,312,663.56 × 521,501.42
  4. Step 4: Simplify right side
    951,230.72x = 684,555,910,522.26
  5. Step 5: Solve for x
    x = 684,555,910,522.26/951,230.72
  6. Step 6: Final answer
    x = 719,652.86

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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.