Home / 1,773,974.80-2,660,443.80-636,605.20

Finding the Fourth Proportional to 1,773,974.80, 2,660,443.80 and 636,605.20

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Solution

The fourth proportional to 1,773,974.80, 2,660,443.80 and 636,605.20 is: 954,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,974.80 : 2,660,443.80 = 636,605.20 : x
  2. Step 2: Convert to fraction form
    1,773,974.80/2,660,443.80 = 636,605.20/x
  3. Step 3: Cross multiply
    1,773,974.80x = 2,660,443.80 × 636,605.20
  4. Step 4: Simplify right side
    1,773,974.80x = 1,693,652,357,387.76
  5. Step 5: Solve for x
    x = 1,693,652,357,387.76/1,773,974.80
  6. Step 6: Final answer
    x = 954,721.77

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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.