Home / 734,115.60-1,101,821.40-434,221.20

Finding the Fourth Proportional to 734,115.60, 1,101,821.40 and 434,221.20

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Solution

The fourth proportional to 734,115.60, 1,101,821.40 and 434,221.20 is: 651,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,115.60 : 1,101,821.40 = 434,221.20 : x
  2. Step 2: Convert to fraction form
    734,115.60/1,101,821.40 = 434,221.20/x
  3. Step 3: Cross multiply
    734,115.60x = 1,101,821.40 × 434,221.20
  4. Step 4: Simplify right side
    734,115.60x = 478,434,210,493.68
  5. Step 5: Solve for x
    x = 478,434,210,493.68/734,115.60
  6. Step 6: Final answer
    x = 651,715.08

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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.