Home / 884,684.15-1,220,827.92-497,488.56

Finding the Fourth Proportional to 884,684.15, 1,220,827.92 and 497,488.56

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Solution

The fourth proportional to 884,684.15, 1,220,827.92 and 497,488.56 is: 686,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,684.15 : 1,220,827.92 = 497,488.56 : x
  2. Step 2: Convert to fraction form
    884,684.15/1,220,827.92 = 497,488.56/x
  3. Step 3: Cross multiply
    884,684.15x = 1,220,827.92 × 497,488.56
  4. Step 4: Simplify right side
    884,684.15x = 607,347,923,928.60
  5. Step 5: Solve for x
    x = 607,347,923,928.60/884,684.15
  6. Step 6: Final answer
    x = 686,513.86

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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.