Home / 875,405.60-1,312,330.80-576,029.60

Finding the Fourth Proportional to 875,405.60, 1,312,330.80 and 576,029.60

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Solution

The fourth proportional to 875,405.60, 1,312,330.80 and 576,029.60 is: 863,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,405.60 : 1,312,330.80 = 576,029.60 : x
  2. Step 2: Convert to fraction form
    875,405.60/1,312,330.80 = 576,029.60/x
  3. Step 3: Cross multiply
    875,405.60x = 1,312,330.80 × 576,029.60
  4. Step 4: Simplify right side
    875,405.60x = 755,941,385,791.68
  5. Step 5: Solve for x
    x = 755,941,385,791.68/875,405.60
  6. Step 6: Final answer
    x = 863,532.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.