Home / 807,870.60-1,211,222.70-527,545.80

Finding the Fourth Proportional to 807,870.60, 1,211,222.70 and 527,545.80

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Solution

The fourth proportional to 807,870.60, 1,211,222.70 and 527,545.80 is: 790,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,870.60 : 1,211,222.70 = 527,545.80 : x
  2. Step 2: Convert to fraction form
    807,870.60/1,211,222.70 = 527,545.80/x
  3. Step 3: Cross multiply
    807,870.60x = 1,211,222.70 × 527,545.80
  4. Step 4: Simplify right side
    807,870.60x = 638,975,448,249.66
  5. Step 5: Solve for x
    x = 638,975,448,249.66/807,870.60
  6. Step 6: Final answer
    x = 790,937.87

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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.