Home / 779,531.10-1,162,090.93-767,246.69

Finding the Fourth Proportional to 779,531.10, 1,162,090.93 and 767,246.69

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Solution

The fourth proportional to 779,531.10, 1,162,090.93 and 767,246.69 is: 1,143,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,531.10 : 1,162,090.93 = 767,246.69 : x
  2. Step 2: Convert to fraction form
    779,531.10/1,162,090.93 = 767,246.69/x
  3. Step 3: Cross multiply
    779,531.10x = 1,162,090.93 × 767,246.69
  4. Step 4: Simplify right side
    779,531.10x = 891,610,415,685.29
  5. Step 5: Solve for x
    x = 891,610,415,685.29/779,531.10
  6. Step 6: Final answer
    x = 1,143,777.86

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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.