Home / 1,042,831.46-1,566,867.65-663,921.36

Finding the Fourth Proportional to 1,042,831.46, 1,566,867.65 and 663,921.36

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Solution

The fourth proportional to 1,042,831.46, 1,566,867.65 and 663,921.36 is: 997,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,831.46 : 1,566,867.65 = 663,921.36 : x
  2. Step 2: Convert to fraction form
    1,042,831.46/1,566,867.65 = 663,921.36/x
  3. Step 3: Cross multiply
    1,042,831.46x = 1,566,867.65 × 663,921.36
  4. Step 4: Simplify right side
    1,042,831.46x = 1,040,276,897,808.40
  5. Step 5: Solve for x
    x = 1,040,276,897,808.40/1,042,831.46
  6. Step 6: Final answer
    x = 997,550.36

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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.