Home / 992,416.25-1,371,396.17-811,062.01

Finding the Fourth Proportional to 992,416.25, 1,371,396.17 and 811,062.01

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Solution

The fourth proportional to 992,416.25, 1,371,396.17 and 811,062.01 is: 1,120,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,416.25 : 1,371,396.17 = 811,062.01 : x
  2. Step 2: Convert to fraction form
    992,416.25/1,371,396.17 = 811,062.01/x
  3. Step 3: Cross multiply
    992,416.25x = 1,371,396.17 × 811,062.01
  4. Step 4: Simplify right side
    992,416.25x = 1,112,287,333,326.18
  5. Step 5: Solve for x
    x = 1,112,287,333,326.18/992,416.25
  6. Step 6: Final answer
    x = 1,120,787.10

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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.