Home / 691,449.40-1,037,951.70-534,374.20

Finding the Fourth Proportional to 691,449.40, 1,037,951.70 and 534,374.20

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Solution

The fourth proportional to 691,449.40, 1,037,951.70 and 534,374.20 is: 802,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,449.40 : 1,037,951.70 = 534,374.20 : x
  2. Step 2: Convert to fraction form
    691,449.40/1,037,951.70 = 534,374.20/x
  3. Step 3: Cross multiply
    691,449.40x = 1,037,951.70 × 534,374.20
  4. Step 4: Simplify right side
    691,449.40x = 554,654,609,326.14
  5. Step 5: Solve for x
    x = 554,654,609,326.14/691,449.40
  6. Step 6: Final answer
    x = 802,162.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.