Home / 1,668,507.61-2,502,761.38-769,683.41

Finding the Fourth Proportional to 1,668,507.61, 2,502,761.38 and 769,683.41

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Solution

The fourth proportional to 1,668,507.61, 2,502,761.38 and 769,683.41 is: 1,154,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,507.61 : 2,502,761.38 = 769,683.41 : x
  2. Step 2: Convert to fraction form
    1,668,507.61/2,502,761.38 = 769,683.41/x
  3. Step 3: Cross multiply
    1,668,507.61x = 2,502,761.38 × 769,683.41
  4. Step 4: Simplify right side
    1,668,507.61x = 1,926,333,917,707.40
  5. Step 5: Solve for x
    x = 1,926,333,917,707.40/1,668,507.61
  6. Step 6: Final answer
    x = 1,154,525.10

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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.