Home / 860,180.40-1,290,270.60-650,228.40

Finding the Fourth Proportional to 860,180.40, 1,290,270.60 and 650,228.40

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Solution

The fourth proportional to 860,180.40, 1,290,270.60 and 650,228.40 is: 975,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,180.40 : 1,290,270.60 = 650,228.40 : x
  2. Step 2: Convert to fraction form
    860,180.40/1,290,270.60 = 650,228.40/x
  3. Step 3: Cross multiply
    860,180.40x = 1,290,270.60 × 650,228.40
  4. Step 4: Simplify right side
    860,180.40x = 838,970,587,805.04
  5. Step 5: Solve for x
    x = 838,970,587,805.04/860,180.40
  6. Step 6: Final answer
    x = 975,342.60

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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.