Home / 1,112,518.80-1,668,389.40-579,862.80

Finding the Fourth Proportional to 1,112,518.80, 1,668,389.40 and 579,862.80

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Solution

The fourth proportional to 1,112,518.80, 1,668,389.40 and 579,862.80 is: 869,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,518.80 : 1,668,389.40 = 579,862.80 : x
  2. Step 2: Convert to fraction form
    1,112,518.80/1,668,389.40 = 579,862.80/x
  3. Step 3: Cross multiply
    1,112,518.80x = 1,668,389.40 × 579,862.80
  4. Step 4: Simplify right side
    1,112,518.80x = 967,436,948,974.32
  5. Step 5: Solve for x
    x = 967,436,948,974.32/1,112,518.80
  6. Step 6: Final answer
    x = 869,591.55

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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.