Home / 1,189,577.67-1,641,618.66-645,713.16

Finding the Fourth Proportional to 1,189,577.67, 1,641,618.66 and 645,713.16

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Solution

The fourth proportional to 1,189,577.67, 1,641,618.66 and 645,713.16 is: 891,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,577.67 : 1,641,618.66 = 645,713.16 : x
  2. Step 2: Convert to fraction form
    1,189,577.67/1,641,618.66 = 645,713.16/x
  3. Step 3: Cross multiply
    1,189,577.67x = 1,641,618.66 × 645,713.16
  4. Step 4: Simplify right side
    1,189,577.67x = 1,060,014,772,463.57
  5. Step 5: Solve for x
    x = 1,060,014,772,463.57/1,189,577.67
  6. Step 6: Final answer
    x = 891,084.96

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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.