Home / 882,187.20-1,319,781.60-765,158.40

Finding the Fourth Proportional to 882,187.20, 1,319,781.60 and 765,158.40

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Solution

The fourth proportional to 882,187.20, 1,319,781.60 and 765,158.40 is: 1,144,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,187.20 : 1,319,781.60 = 765,158.40 : x
  2. Step 2: Convert to fraction form
    882,187.20/1,319,781.60 = 765,158.40/x
  3. Step 3: Cross multiply
    882,187.20x = 1,319,781.60 × 765,158.40
  4. Step 4: Simplify right side
    882,187.20x = 1,009,841,977,405.44
  5. Step 5: Solve for x
    x = 1,009,841,977,405.44/882,187.20
  6. Step 6: Final answer
    x = 1,144,702.60

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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.