Home / 916,077.60-1,374,116.40-679,881.60

Finding the Fourth Proportional to 916,077.60, 1,374,116.40 and 679,881.60

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Solution

The fourth proportional to 916,077.60, 1,374,116.40 and 679,881.60 is: 1,019,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,077.60 : 1,374,116.40 = 679,881.60 : x
  2. Step 2: Convert to fraction form
    916,077.60/1,374,116.40 = 679,881.60/x
  3. Step 3: Cross multiply
    916,077.60x = 1,374,116.40 × 679,881.60
  4. Step 4: Simplify right side
    916,077.60x = 934,236,456,618.24
  5. Step 5: Solve for x
    x = 934,236,456,618.24/916,077.60
  6. Step 6: Final answer
    x = 1,019,822.40

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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.