Home / 752,566.41-1,038,740.76-465,923.61

Finding the Fourth Proportional to 752,566.41, 1,038,740.76 and 465,923.61

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Solution

The fourth proportional to 752,566.41, 1,038,740.76 and 465,923.61 is: 643,097.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,566.41 : 1,038,740.76 = 465,923.61 : x
  2. Step 2: Convert to fraction form
    752,566.41/1,038,740.76 = 465,923.61/x
  3. Step 3: Cross multiply
    752,566.41x = 1,038,740.76 × 465,923.61
  4. Step 4: Simplify right side
    752,566.41x = 483,973,844,753.34
  5. Step 5: Solve for x
    x = 483,973,844,753.34/752,566.41
  6. Step 6: Final answer
    x = 643,097.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.