Home / 1,683,488.25-2,526,077.07-785,000.28

Finding the Fourth Proportional to 1,683,488.25, 2,526,077.07 and 785,000.28

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Solution

The fourth proportional to 1,683,488.25, 2,526,077.07 and 785,000.28 is: 1,177,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,488.25 : 2,526,077.07 = 785,000.28 : x
  2. Step 2: Convert to fraction form
    1,683,488.25/2,526,077.07 = 785,000.28/x
  3. Step 3: Cross multiply
    1,683,488.25x = 2,526,077.07 × 785,000.28
  4. Step 4: Simplify right side
    1,683,488.25x = 1,982,971,207,251.58
  5. Step 5: Solve for x
    x = 1,982,971,207,251.58/1,683,488.25
  6. Step 6: Final answer
    x = 1,177,894.30

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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.