Home / 714,295.71-985,697.03-392,011.16

Finding the Fourth Proportional to 714,295.71, 985,697.03 and 392,011.16

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Solution

The fourth proportional to 714,295.71, 985,697.03 and 392,011.16 is: 540,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,295.71 : 985,697.03 = 392,011.16 : x
  2. Step 2: Convert to fraction form
    714,295.71/985,697.03 = 392,011.16/x
  3. Step 3: Cross multiply
    714,295.71x = 985,697.03 × 392,011.16
  4. Step 4: Simplify right side
    714,295.71x = 386,404,232,190.40
  5. Step 5: Solve for x
    x = 386,404,232,190.40/714,295.71
  6. Step 6: Final answer
    x = 540,958.35

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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.