Home / 698,872.57-962,064.07-517,242.22

Finding the Fourth Proportional to 698,872.57, 962,064.07 and 517,242.22

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Solution

The fourth proportional to 698,872.57, 962,064.07 and 517,242.22 is: 712,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,872.57 : 962,064.07 = 517,242.22 : x
  2. Step 2: Convert to fraction form
    698,872.57/962,064.07 = 517,242.22/x
  3. Step 3: Cross multiply
    698,872.57x = 962,064.07 × 517,242.22
  4. Step 4: Simplify right side
    698,872.57x = 497,620,151,650.77
  5. Step 5: Solve for x
    x = 497,620,151,650.77/698,872.57
  6. Step 6: Final answer
    x = 712,032.74

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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.