Home / 817,701.20-1,226,551.80-605,124.80

Finding the Fourth Proportional to 817,701.20, 1,226,551.80 and 605,124.80

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Solution

The fourth proportional to 817,701.20, 1,226,551.80 and 605,124.80 is: 907,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,701.20 : 1,226,551.80 = 605,124.80 : x
  2. Step 2: Convert to fraction form
    817,701.20/1,226,551.80 = 605,124.80/x
  3. Step 3: Cross multiply
    817,701.20x = 1,226,551.80 × 605,124.80
  4. Step 4: Simplify right side
    817,701.20x = 742,216,912,664.64
  5. Step 5: Solve for x
    x = 742,216,912,664.64/817,701.20
  6. Step 6: Final answer
    x = 907,687.20

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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.