Home / 748,045.60-1,122,773.10-393,314.20

Finding the Fourth Proportional to 748,045.60, 1,122,773.10 and 393,314.20

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Solution

The fourth proportional to 748,045.60, 1,122,773.10 and 393,314.20 is: 590,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,045.60 : 1,122,773.10 = 393,314.20 : x
  2. Step 2: Convert to fraction form
    748,045.60/1,122,773.10 = 393,314.20/x
  3. Step 3: Cross multiply
    748,045.60x = 1,122,773.10 × 393,314.20
  4. Step 4: Simplify right side
    748,045.60x = 441,602,603,608.02
  5. Step 5: Solve for x
    x = 441,602,603,608.02/748,045.60
  6. Step 6: Final answer
    x = 590,341.82

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Double scale
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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.