Home / 718,308.17-1,077,462.25-682,389.77

Finding the Fourth Proportional to 718,308.17, 1,077,462.25 and 682,389.77

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Solution

The fourth proportional to 718,308.17, 1,077,462.25 and 682,389.77 is: 1,023,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,308.17 : 1,077,462.25 = 682,389.77 : x
  2. Step 2: Convert to fraction form
    718,308.17/1,077,462.25 = 682,389.77/x
  3. Step 3: Cross multiply
    718,308.17x = 1,077,462.25 × 682,389.77
  4. Step 4: Simplify right side
    718,308.17x = 735,249,217,948.86
  5. Step 5: Solve for x
    x = 735,249,217,948.86/718,308.17
  6. Step 6: Final answer
    x = 1,023,584.65

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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.