Home / 730,836.40-1,096,254.60-415,908.40

Finding the Fourth Proportional to 730,836.40, 1,096,254.60 and 415,908.40

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Solution

The fourth proportional to 730,836.40, 1,096,254.60 and 415,908.40 is: 623,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,836.40 : 1,096,254.60 = 415,908.40 : x
  2. Step 2: Convert to fraction form
    730,836.40/1,096,254.60 = 415,908.40/x
  3. Step 3: Cross multiply
    730,836.40x = 1,096,254.60 × 415,908.40
  4. Step 4: Simplify right side
    730,836.40x = 455,941,496,678.64
  5. Step 5: Solve for x
    x = 455,941,496,678.64/730,836.40
  6. Step 6: Final answer
    x = 623,862.60

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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.