Home / 1,111,514.58-1,533,870.11-628,069.32

Finding the Fourth Proportional to 1,111,514.58, 1,533,870.11 and 628,069.32

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Solution

The fourth proportional to 1,111,514.58, 1,533,870.11 and 628,069.32 is: 866,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,514.58 : 1,533,870.11 = 628,069.32 : x
  2. Step 2: Convert to fraction form
    1,111,514.58/1,533,870.11 = 628,069.32/x
  3. Step 3: Cross multiply
    1,111,514.58x = 1,533,870.11 × 628,069.32
  4. Step 4: Simplify right side
    1,111,514.58x = 963,376,753,815.68
  5. Step 5: Solve for x
    x = 963,376,753,815.68/1,111,514.58
  6. Step 6: Final answer
    x = 866,724.35

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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.