Home / 951,152.28-1,312,554.97-515,560.28

Finding the Fourth Proportional to 951,152.28, 1,312,554.97 and 515,560.28

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Solution

The fourth proportional to 951,152.28, 1,312,554.97 and 515,560.28 is: 711,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,152.28 : 1,312,554.97 = 515,560.28 : x
  2. Step 2: Convert to fraction form
    951,152.28/1,312,554.97 = 515,560.28/x
  3. Step 3: Cross multiply
    951,152.28x = 1,312,554.97 × 515,560.28
  4. Step 4: Simplify right side
    951,152.28x = 676,701,201,285.82
  5. Step 5: Solve for x
    x = 676,701,201,285.82/951,152.28
  6. Step 6: Final answer
    x = 711,454.11

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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.