Home / 911,526.75-1,257,932.28-503,654.88

Finding the Fourth Proportional to 911,526.75, 1,257,932.28 and 503,654.88

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Solution

The fourth proportional to 911,526.75, 1,257,932.28 and 503,654.88 is: 695,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,526.75 : 1,257,932.28 = 503,654.88 : x
  2. Step 2: Convert to fraction form
    911,526.75/1,257,932.28 = 503,654.88/x
  3. Step 3: Cross multiply
    911,526.75x = 1,257,932.28 × 503,654.88
  4. Step 4: Simplify right side
    911,526.75x = 633,563,731,531.53
  5. Step 5: Solve for x
    x = 633,563,731,531.53/911,526.75
  6. Step 6: Final answer
    x = 695,057.75

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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.