Home / 736,858.80-1,105,288.20-550,234.80

Finding the Fourth Proportional to 736,858.80, 1,105,288.20 and 550,234.80

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Solution

The fourth proportional to 736,858.80, 1,105,288.20 and 550,234.80 is: 825,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,858.80 : 1,105,288.20 = 550,234.80 : x
  2. Step 2: Convert to fraction form
    736,858.80/1,105,288.20 = 550,234.80/x
  3. Step 3: Cross multiply
    736,858.80x = 1,105,288.20 × 550,234.80
  4. Step 4: Simplify right side
    736,858.80x = 608,168,031,669.36
  5. Step 5: Solve for x
    x = 608,168,031,669.36/736,858.80
  6. Step 6: Final answer
    x = 825,352.20

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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.