Home / 951,232.72-1,312,666.32-521,503.44

Finding the Fourth Proportional to 951,232.72, 1,312,666.32 and 521,503.44

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Solution

The fourth proportional to 951,232.72, 1,312,666.32 and 521,503.44 is: 719,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,232.72 : 1,312,666.32 = 521,503.44 : x
  2. Step 2: Convert to fraction form
    951,232.72/1,312,666.32 = 521,503.44/x
  3. Step 3: Cross multiply
    951,232.72x = 1,312,666.32 × 521,503.44
  4. Step 4: Simplify right side
    951,232.72x = 684,560,001,452.14
  5. Step 5: Solve for x
    x = 684,560,001,452.14/951,232.72
  6. Step 6: Final answer
    x = 719,655.65

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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.