Home / 736,901.80-1,105,352.70-724,460.20

Finding the Fourth Proportional to 736,901.80, 1,105,352.70 and 724,460.20

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Solution

The fourth proportional to 736,901.80, 1,105,352.70 and 724,460.20 is: 1,086,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,901.80 : 1,105,352.70 = 724,460.20 : x
  2. Step 2: Convert to fraction form
    736,901.80/1,105,352.70 = 724,460.20/x
  3. Step 3: Cross multiply
    736,901.80x = 1,105,352.70 × 724,460.20
  4. Step 4: Simplify right side
    736,901.80x = 800,784,038,112.54
  5. Step 5: Solve for x
    x = 800,784,038,112.54/736,901.80
  6. Step 6: Final answer
    x = 1,086,690.30

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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.