Home / 779,532.10-1,162,092.42-767,247.69

Finding the Fourth Proportional to 779,532.10, 1,162,092.42 and 767,247.69

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Solution

The fourth proportional to 779,532.10, 1,162,092.42 and 767,247.69 is: 1,143,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,532.10 : 1,162,092.42 = 767,247.69 : x
  2. Step 2: Convert to fraction form
    779,532.10/1,162,092.42 = 767,247.69/x
  3. Step 3: Cross multiply
    779,532.10x = 1,162,092.42 × 767,247.69
  4. Step 4: Simplify right side
    779,532.10x = 891,612,724,811.51
  5. Step 5: Solve for x
    x = 891,612,724,811.51/779,532.10
  6. Step 6: Final answer
    x = 1,143,779.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.