Home / 1,150,547.23-1,587,809.55-641,253.25

Finding the Fourth Proportional to 1,150,547.23, 1,587,809.55 and 641,253.25

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Solution

The fourth proportional to 1,150,547.23, 1,587,809.55 and 641,253.25 is: 884,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,547.23 : 1,587,809.55 = 641,253.25 : x
  2. Step 2: Convert to fraction form
    1,150,547.23/1,587,809.55 = 641,253.25/x
  3. Step 3: Cross multiply
    1,150,547.23x = 1,587,809.55 × 641,253.25
  4. Step 4: Simplify right side
    1,150,547.23x = 1,018,188,034,318.54
  5. Step 5: Solve for x
    x = 1,018,188,034,318.54/1,150,547.23
  6. Step 6: Final answer
    x = 884,959.79

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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.