Home / 749,835.96-1,034,774.30-410,304.21

Finding the Fourth Proportional to 749,835.96, 1,034,774.30 and 410,304.21

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Solution

The fourth proportional to 749,835.96, 1,034,774.30 and 410,304.21 is: 566,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,835.96 : 1,034,774.30 = 410,304.21 : x
  2. Step 2: Convert to fraction form
    749,835.96/1,034,774.30 = 410,304.21/x
  3. Step 3: Cross multiply
    749,835.96x = 1,034,774.30 × 410,304.21
  4. Step 4: Simplify right side
    749,835.96x = 424,572,251,689.80
  5. Step 5: Solve for x
    x = 424,572,251,689.80/749,835.96
  6. Step 6: Final answer
    x = 566,220.18

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Half scale
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Double scale
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Similar ratio
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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.