Home / 935,996.80-1,403,995.20-928,998.40

Finding the Fourth Proportional to 935,996.80, 1,403,995.20 and 928,998.40

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Solution

The fourth proportional to 935,996.80, 1,403,995.20 and 928,998.40 is: 1,393,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,996.80 : 1,403,995.20 = 928,998.40 : x
  2. Step 2: Convert to fraction form
    935,996.80/1,403,995.20 = 928,998.40/x
  3. Step 3: Cross multiply
    935,996.80x = 1,403,995.20 × 928,998.40
  4. Step 4: Simplify right side
    935,996.80x = 1,304,309,294,407.68
  5. Step 5: Solve for x
    x = 1,304,309,294,407.68/935,996.80
  6. Step 6: Final answer
    x = 1,393,497.60

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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.