Home / 1,182,746.38-1,632,189.73-638,882.18

Finding the Fourth Proportional to 1,182,746.38, 1,632,189.73 and 638,882.18

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Solution

The fourth proportional to 1,182,746.38, 1,632,189.73 and 638,882.18 is: 881,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,746.38 : 1,632,189.73 = 638,882.18 : x
  2. Step 2: Convert to fraction form
    1,182,746.38/1,632,189.73 = 638,882.18/x
  3. Step 3: Cross multiply
    1,182,746.38x = 1,632,189.73 × 638,882.18
  4. Step 4: Simplify right side
    1,182,746.38x = 1,042,776,929,681.60
  5. Step 5: Solve for x
    x = 1,042,776,929,681.60/1,182,746.38
  6. Step 6: Final answer
    x = 881,657.26

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1.5x scale

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.