Home / 497,262.24-686,222.69-282,402.25

Finding the Fourth Proportional to 497,262.24, 686,222.69 and 282,402.25

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Solution

The fourth proportional to 497,262.24, 686,222.69 and 282,402.25 is: 389,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,262.24 : 686,222.69 = 282,402.25 : x
  2. Step 2: Convert to fraction form
    497,262.24/686,222.69 = 282,402.25/x
  3. Step 3: Cross multiply
    497,262.24x = 686,222.69 × 282,402.25
  4. Step 4: Simplify right side
    497,262.24x = 193,790,828,529.49
  5. Step 5: Solve for x
    x = 193,790,828,529.49/497,262.24
  6. Step 6: Final answer
    x = 389,715.55

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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.