Home / 730,848.40-1,096,272.60-415,920.40

Finding the Fourth Proportional to 730,848.40, 1,096,272.60 and 415,920.40

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Solution

The fourth proportional to 730,848.40, 1,096,272.60 and 415,920.40 is: 623,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,848.40 : 1,096,272.60 = 415,920.40 : x
  2. Step 2: Convert to fraction form
    730,848.40/1,096,272.60 = 415,920.40/x
  3. Step 3: Cross multiply
    730,848.40x = 1,096,272.60 × 415,920.40
  4. Step 4: Simplify right side
    730,848.40x = 455,962,138,301.04
  5. Step 5: Solve for x
    x = 455,962,138,301.04/730,848.40
  6. Step 6: Final answer
    x = 623,880.60

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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.