Home / 826,545.34-1,239,818.01-327,909.34

Finding the Fourth Proportional to 826,545.34, 1,239,818.01 and 327,909.34

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Solution

The fourth proportional to 826,545.34, 1,239,818.01 and 327,909.34 is: 491,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,545.34 : 1,239,818.01 = 327,909.34 : x
  2. Step 2: Convert to fraction form
    826,545.34/1,239,818.01 = 327,909.34/x
  3. Step 3: Cross multiply
    826,545.34x = 1,239,818.01 × 327,909.34
  4. Step 4: Simplify right side
    826,545.34x = 406,547,905,379.21
  5. Step 5: Solve for x
    x = 406,547,905,379.21/826,545.34
  6. Step 6: Final answer
    x = 491,864.01

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.