Home / 736,891.80-1,105,337.70-550,267.80

Finding the Fourth Proportional to 736,891.80, 1,105,337.70 and 550,267.80

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Solution

The fourth proportional to 736,891.80, 1,105,337.70 and 550,267.80 is: 825,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,891.80 : 1,105,337.70 = 550,267.80 : x
  2. Step 2: Convert to fraction form
    736,891.80/1,105,337.70 = 550,267.80/x
  3. Step 3: Cross multiply
    736,891.80x = 1,105,337.70 × 550,267.80
  4. Step 4: Simplify right side
    736,891.80x = 608,231,744,436.06
  5. Step 5: Solve for x
    x = 608,231,744,436.06/736,891.80
  6. Step 6: Final answer
    x = 825,401.70

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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.