Home / 1,233,374.50-1,702,049-689,507.70

Finding the Fourth Proportional to 1,233,374.50, 1,702,049 and 689,507.70

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Solution

The fourth proportional to 1,233,374.50, 1,702,049 and 689,507.70 is: 951,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,374.50 : 1,702,049 = 689,507.70 : x
  2. Step 2: Convert to fraction form
    1,233,374.50/1,702,049 = 689,507.70/x
  3. Step 3: Cross multiply
    1,233,374.50x = 1,702,049 × 689,507.70
  4. Step 4: Simplify right side
    1,233,374.50x = 1,173,575,891,277.30
  5. Step 5: Solve for x
    x = 1,173,575,891,277.30/1,233,374.50
  6. Step 6: Final answer
    x = 951,516.26

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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.