Home / 992,045.70-1,368,961.77-556,439.10

Finding the Fourth Proportional to 992,045.70, 1,368,961.77 and 556,439.10

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Solution

The fourth proportional to 992,045.70, 1,368,961.77 and 556,439.10 is: 767,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,045.70 : 1,368,961.77 = 556,439.10 : x
  2. Step 2: Convert to fraction form
    992,045.70/1,368,961.77 = 556,439.10/x
  3. Step 3: Cross multiply
    992,045.70x = 1,368,961.77 × 556,439.10
  4. Step 4: Simplify right side
    992,045.70x = 761,743,855,233.21
  5. Step 5: Solve for x
    x = 761,743,855,233.21/992,045.70
  6. Step 6: Final answer
    x = 767,851.58

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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.