Home / 748,039.60-1,122,059.40-242,599.60

Finding the Fourth Proportional to 748,039.60, 1,122,059.40 and 242,599.60

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Solution

The fourth proportional to 748,039.60, 1,122,059.40 and 242,599.60 is: 363,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,039.60 : 1,122,059.40 = 242,599.60 : x
  2. Step 2: Convert to fraction form
    748,039.60/1,122,059.40 = 242,599.60/x
  3. Step 3: Cross multiply
    748,039.60x = 1,122,059.40 × 242,599.60
  4. Step 4: Simplify right side
    748,039.60x = 272,211,161,616.24
  5. Step 5: Solve for x
    x = 272,211,161,616.24/748,039.60
  6. Step 6: Final answer
    x = 363,899.40

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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.