Home / 547,127.86-753,365.02-495,806.68

Finding the Fourth Proportional to 547,127.86, 753,365.02 and 495,806.68

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Solution

The fourth proportional to 547,127.86, 753,365.02 and 495,806.68 is: 682,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,127.86 : 753,365.02 = 495,806.68 : x
  2. Step 2: Convert to fraction form
    547,127.86/753,365.02 = 495,806.68/x
  3. Step 3: Cross multiply
    547,127.86x = 753,365.02 × 495,806.68
  4. Step 4: Simplify right side
    547,127.86x = 373,523,409,394.33
  5. Step 5: Solve for x
    x = 373,523,409,394.33/547,127.86
  6. Step 6: Final answer
    x = 682,698.57

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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.