Home / 1,111,514.59-1,533,870.11-628,069.33

Finding the Fourth Proportional to 1,111,514.59, 1,533,870.11 and 628,069.33

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Solution

The fourth proportional to 1,111,514.59, 1,533,870.11 and 628,069.33 is: 866,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,514.59 : 1,533,870.11 = 628,069.33 : x
  2. Step 2: Convert to fraction form
    1,111,514.59/1,533,870.11 = 628,069.33/x
  3. Step 3: Cross multiply
    1,111,514.59x = 1,533,870.11 × 628,069.33
  4. Step 4: Simplify right side
    1,111,514.59x = 963,376,772,294.73
  5. Step 5: Solve for x
    x = 963,376,772,294.73/1,111,514.59
  6. Step 6: Final answer
    x = 866,724.36

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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.