Home / 765,300.96-1,146,621.60-537,112.80

Finding the Fourth Proportional to 765,300.96, 1,146,621.60 and 537,112.80

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Solution

The fourth proportional to 765,300.96, 1,146,621.60 and 537,112.80 is: 804,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,300.96 : 1,146,621.60 = 537,112.80 : x
  2. Step 2: Convert to fraction form
    765,300.96/1,146,621.60 = 537,112.80/x
  3. Step 3: Cross multiply
    765,300.96x = 1,146,621.60 × 537,112.80
  4. Step 4: Simplify right side
    765,300.96x = 615,865,138,116.48
  5. Step 5: Solve for x
    x = 615,865,138,116.48/765,300.96
  6. Step 6: Final answer
    x = 804,735.88

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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.