Home / 867,201.70-1,300,802.55-548,337.10

Finding the Fourth Proportional to 867,201.70, 1,300,802.55 and 548,337.10

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Solution

The fourth proportional to 867,201.70, 1,300,802.55 and 548,337.10 is: 822,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,201.70 : 1,300,802.55 = 548,337.10 : x
  2. Step 2: Convert to fraction form
    867,201.70/1,300,802.55 = 548,337.10/x
  3. Step 3: Cross multiply
    867,201.70x = 1,300,802.55 × 548,337.10
  4. Step 4: Simplify right side
    867,201.70x = 713,278,297,939.61
  5. Step 5: Solve for x
    x = 713,278,297,939.61/867,201.70
  6. Step 6: Final answer
    x = 822,505.65

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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.