Home / 697,815.20-1,046,722.80-627,831.20

Finding the Fourth Proportional to 697,815.20, 1,046,722.80 and 627,831.20

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Solution

The fourth proportional to 697,815.20, 1,046,722.80 and 627,831.20 is: 941,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,815.20 : 1,046,722.80 = 627,831.20 : x
  2. Step 2: Convert to fraction form
    697,815.20/1,046,722.80 = 627,831.20/x
  3. Step 3: Cross multiply
    697,815.20x = 1,046,722.80 × 627,831.20
  4. Step 4: Simplify right side
    697,815.20x = 657,165,231,591.36
  5. Step 5: Solve for x
    x = 657,165,231,591.36/697,815.20
  6. Step 6: Final answer
    x = 941,746.80

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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.