Home / 1,773,678.71-2,660,868.66-636,136.72

Finding the Fourth Proportional to 1,773,678.71, 2,660,868.66 and 636,136.72

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Solution

The fourth proportional to 1,773,678.71, 2,660,868.66 and 636,136.72 is: 954,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,678.71 : 2,660,868.66 = 636,136.72 : x
  2. Step 2: Convert to fraction form
    1,773,678.71/2,660,868.66 = 636,136.72/x
  3. Step 3: Cross multiply
    1,773,678.71x = 2,660,868.66 × 636,136.72
  4. Step 4: Simplify right side
    1,773,678.71x = 1,692,676,261,723.20
  5. Step 5: Solve for x
    x = 1,692,676,261,723.20/1,773,678.71
  6. Step 6: Final answer
    x = 954,330.82

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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.