Home / 1,118,061.25-1,542,808.58-628,085.77

Finding the Fourth Proportional to 1,118,061.25, 1,542,808.58 and 628,085.77

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Solution

The fourth proportional to 1,118,061.25, 1,542,808.58 and 628,085.77 is: 866,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,061.25 : 1,542,808.58 = 628,085.77 : x
  2. Step 2: Convert to fraction form
    1,118,061.25/1,542,808.58 = 628,085.77/x
  3. Step 3: Cross multiply
    1,118,061.25x = 1,542,808.58 × 628,085.77
  4. Step 4: Simplify right side
    1,118,061.25x = 969,016,107,934.46
  5. Step 5: Solve for x
    x = 969,016,107,934.46/1,118,061.25
  6. Step 6: Final answer
    x = 866,693.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.