Home / 886,667.40-1,330,001.10-532,081.80

Finding the Fourth Proportional to 886,667.40, 1,330,001.10 and 532,081.80

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Solution

The fourth proportional to 886,667.40, 1,330,001.10 and 532,081.80 is: 798,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,667.40 : 1,330,001.10 = 532,081.80 : x
  2. Step 2: Convert to fraction form
    886,667.40/1,330,001.10 = 532,081.80/x
  3. Step 3: Cross multiply
    886,667.40x = 1,330,001.10 × 532,081.80
  4. Step 4: Simplify right side
    886,667.40x = 707,669,379,289.98
  5. Step 5: Solve for x
    x = 707,669,379,289.98/886,667.40
  6. Step 6: Final answer
    x = 798,122.70

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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.