Home / 1,335,331.52-1,841,685.12-1,173,843.20

Finding the Fourth Proportional to 1,335,331.52, 1,841,685.12 and 1,173,843.20

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Solution

The fourth proportional to 1,335,331.52, 1,841,685.12 and 1,173,843.20 is: 1,618,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,331.52 : 1,841,685.12 = 1,173,843.20 : x
  2. Step 2: Convert to fraction form
    1,335,331.52/1,841,685.12 = 1,173,843.20/x
  3. Step 3: Cross multiply
    1,335,331.52x = 1,841,685.12 × 1,173,843.20
  4. Step 4: Simplify right side
    1,335,331.52x = 2,161,849,554,653.18
  5. Step 5: Solve for x
    x = 2,161,849,554,653.18/1,335,331.52
  6. Step 6: Final answer
    x = 1,618,960.93

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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.