Home / 887,661.64-1,225,200.90-547,934.68

Finding the Fourth Proportional to 887,661.64, 1,225,200.90 and 547,934.68

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Solution

The fourth proportional to 887,661.64, 1,225,200.90 and 547,934.68 is: 756,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,661.64 : 1,225,200.90 = 547,934.68 : x
  2. Step 2: Convert to fraction form
    887,661.64/1,225,200.90 = 547,934.68/x
  3. Step 3: Cross multiply
    887,661.64x = 1,225,200.90 × 547,934.68
  4. Step 4: Simplify right side
    887,661.64x = 671,330,063,077.21
  5. Step 5: Solve for x
    x = 671,330,063,077.21/887,661.64
  6. Step 6: Final answer
    x = 756,290.50

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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.