Home / 1,291,310.61-1,777,952.34-1,097,309.13

Finding the Fourth Proportional to 1,291,310.61, 1,777,952.34 and 1,097,309.13

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Solution

The fourth proportional to 1,291,310.61, 1,777,952.34 and 1,097,309.13 is: 1,510,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,310.61 : 1,777,952.34 = 1,097,309.13 : x
  2. Step 2: Convert to fraction form
    1,291,310.61/1,777,952.34 = 1,097,309.13/x
  3. Step 3: Cross multiply
    1,291,310.61x = 1,777,952.34 × 1,097,309.13
  4. Step 4: Simplify right side
    1,291,310.61x = 1,950,963,335,386.86
  5. Step 5: Solve for x
    x = 1,950,963,335,386.86/1,291,310.61
  6. Step 6: Final answer
    x = 1,510,839.70

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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.