Home / 1,107,825.40-1,662,254.79-433,731.86

Finding the Fourth Proportional to 1,107,825.40, 1,662,254.79 and 433,731.86

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Solution

The fourth proportional to 1,107,825.40, 1,662,254.79 and 433,731.86 is: 650,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,825.40 : 1,662,254.79 = 433,731.86 : x
  2. Step 2: Convert to fraction form
    1,107,825.40/1,662,254.79 = 433,731.86/x
  3. Step 3: Cross multiply
    1,107,825.40x = 1,662,254.79 × 433,731.86
  4. Step 4: Simplify right side
    1,107,825.40x = 720,972,861,860.61
  5. Step 5: Solve for x
    x = 720,972,861,860.61/1,107,825.40
  6. Step 6: Final answer
    x = 650,800.08

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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.