Home / 951,397.50-1,312,968.27-521,694.12

Finding the Fourth Proportional to 951,397.50, 1,312,968.27 and 521,694.12

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Solution

The fourth proportional to 951,397.50, 1,312,968.27 and 521,694.12 is: 719,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,397.50 : 1,312,968.27 = 521,694.12 : x
  2. Step 2: Convert to fraction form
    951,397.50/1,312,968.27 = 521,694.12/x
  3. Step 3: Cross multiply
    951,397.50x = 1,312,968.27 × 521,694.12
  4. Step 4: Simplify right side
    951,397.50x = 684,967,826,205.57
  5. Step 5: Solve for x
    x = 684,967,826,205.57/951,397.50
  6. Step 6: Final answer
    x = 719,959.67

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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.