Home / 886,645.40-1,329,968.10-616,040.60

Finding the Fourth Proportional to 886,645.40, 1,329,968.10 and 616,040.60

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Solution

The fourth proportional to 886,645.40, 1,329,968.10 and 616,040.60 is: 924,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,645.40 : 1,329,968.10 = 616,040.60 : x
  2. Step 2: Convert to fraction form
    886,645.40/1,329,968.10 = 616,040.60/x
  3. Step 3: Cross multiply
    886,645.40x = 1,329,968.10 × 616,040.60
  4. Step 4: Simplify right side
    886,645.40x = 819,314,346,304.86
  5. Step 5: Solve for x
    x = 819,314,346,304.86/886,645.40
  6. Step 6: Final answer
    x = 924,060.90

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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.