Home / 951,396-1,312,966.20-521,692.62

Finding the Fourth Proportional to 951,396, 1,312,966.20 and 521,692.62

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Solution

The fourth proportional to 951,396, 1,312,966.20 and 521,692.62 is: 719,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,396 : 1,312,966.20 = 521,692.62 : x
  2. Step 2: Convert to fraction form
    951,396/1,312,966.20 = 521,692.62/x
  3. Step 3: Cross multiply
    951,396x = 1,312,966.20 × 521,692.62
  4. Step 4: Simplify right side
    951,396x = 684,964,776,849.44
  5. Step 5: Solve for x
    x = 684,964,776,849.44/951,396
  6. Step 6: Final answer
    x = 719,957.60

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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.