Home / 779,775.66-1,167,002.18-653,558.42

Finding the Fourth Proportional to 779,775.66, 1,167,002.18 and 653,558.42

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Solution

The fourth proportional to 779,775.66, 1,167,002.18 and 653,558.42 is: 978,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,775.66 : 1,167,002.18 = 653,558.42 : x
  2. Step 2: Convert to fraction form
    779,775.66/1,167,002.18 = 653,558.42/x
  3. Step 3: Cross multiply
    779,775.66x = 1,167,002.18 × 653,558.42
  4. Step 4: Simplify right side
    779,775.66x = 762,704,106,674.18
  5. Step 5: Solve for x
    x = 762,704,106,674.18/779,775.66
  6. Step 6: Final answer
    x = 978,107.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.