Home / 884,917.92-1,221,223.19-497,751.38

Finding the Fourth Proportional to 884,917.92, 1,221,223.19 and 497,751.38

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Solution

The fourth proportional to 884,917.92, 1,221,223.19 and 497,751.38 is: 686,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,917.92 : 1,221,223.19 = 497,751.38 : x
  2. Step 2: Convert to fraction form
    884,917.92/1,221,223.19 = 497,751.38/x
  3. Step 3: Cross multiply
    884,917.92x = 1,221,223.19 × 497,751.38
  4. Step 4: Simplify right side
    884,917.92x = 607,865,519,515.63
  5. Step 5: Solve for x
    x = 607,865,519,515.63/884,917.92
  6. Step 6: Final answer
    x = 686,917.40

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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.