Home / 1,078,968.38-1,488,976.36-602,040.38

Finding the Fourth Proportional to 1,078,968.38, 1,488,976.36 and 602,040.38

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Solution

The fourth proportional to 1,078,968.38, 1,488,976.36 and 602,040.38 is: 830,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,968.38 : 1,488,976.36 = 602,040.38 : x
  2. Step 2: Convert to fraction form
    1,078,968.38/1,488,976.36 = 602,040.38/x
  3. Step 3: Cross multiply
    1,078,968.38x = 1,488,976.36 × 602,040.38
  4. Step 4: Simplify right side
    1,078,968.38x = 896,423,884,635.43
  5. Step 5: Solve for x
    x = 896,423,884,635.43/1,078,968.38
  6. Step 6: Final answer
    x = 830,815.72

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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.