Home / 867,631.80-1,301,447.70-441,166.80

Finding the Fourth Proportional to 867,631.80, 1,301,447.70 and 441,166.80

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Solution

The fourth proportional to 867,631.80, 1,301,447.70 and 441,166.80 is: 661,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,631.80 : 1,301,447.70 = 441,166.80 : x
  2. Step 2: Convert to fraction form
    867,631.80/1,301,447.70 = 441,166.80/x
  3. Step 3: Cross multiply
    867,631.80x = 1,301,447.70 × 441,166.80
  4. Step 4: Simplify right side
    867,631.80x = 574,155,517,176.36
  5. Step 5: Solve for x
    x = 574,155,517,176.36/867,631.80
  6. Step 6: Final answer
    x = 661,750.20

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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.