Home / 1,465,793.20-2,199,345.90-666,663.40

Finding the Fourth Proportional to 1,465,793.20, 2,199,345.90 and 666,663.40

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Solution

The fourth proportional to 1,465,793.20, 2,199,345.90 and 666,663.40 is: 1,000,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,793.20 : 2,199,345.90 = 666,663.40 : x
  2. Step 2: Convert to fraction form
    1,465,793.20/2,199,345.90 = 666,663.40/x
  3. Step 3: Cross multiply
    1,465,793.20x = 2,199,345.90 × 666,663.40
  4. Step 4: Simplify right side
    1,465,793.20x = 1,466,223,415,470.06
  5. Step 5: Solve for x
    x = 1,466,223,415,470.06/1,465,793.20
  6. Step 6: Final answer
    x = 1,000,293.50

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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.