Home / 992,425.12-1,369,858.56-562,990.72

Finding the Fourth Proportional to 992,425.12, 1,369,858.56 and 562,990.72

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Solution

The fourth proportional to 992,425.12, 1,369,858.56 and 562,990.72 is: 777,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,425.12 : 1,369,858.56 = 562,990.72 : x
  2. Step 2: Convert to fraction form
    992,425.12/1,369,858.56 = 562,990.72/x
  3. Step 3: Cross multiply
    992,425.12x = 1,369,858.56 × 562,990.72
  4. Step 4: Simplify right side
    992,425.12x = 771,217,656,992.56
  5. Step 5: Solve for x
    x = 771,217,656,992.56/992,425.12
  6. Step 6: Final answer
    x = 777,104.13

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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.