Home / 748,774.39-1,123,161.58-180,155.50

Finding the Fourth Proportional to 748,774.39, 1,123,161.58 and 180,155.50

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Solution

The fourth proportional to 748,774.39, 1,123,161.58 and 180,155.50 is: 270,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,774.39 : 1,123,161.58 = 180,155.50 : x
  2. Step 2: Convert to fraction form
    748,774.39/1,123,161.58 = 180,155.50/x
  3. Step 3: Cross multiply
    748,774.39x = 1,123,161.58 × 180,155.50
  4. Step 4: Simplify right side
    748,774.39x = 202,343,736,025.69
  5. Step 5: Solve for x
    x = 202,343,736,025.69/748,774.39
  6. Step 6: Final answer
    x = 270,233.25

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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.