Home / 925,987.76-1,387,965.59-476,732.60

Finding the Fourth Proportional to 925,987.76, 1,387,965.59 and 476,732.60

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Solution

The fourth proportional to 925,987.76, 1,387,965.59 and 476,732.60 is: 714,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,987.76 : 1,387,965.59 = 476,732.60 : x
  2. Step 2: Convert to fraction form
    925,987.76/1,387,965.59 = 476,732.60/x
  3. Step 3: Cross multiply
    925,987.76x = 1,387,965.59 × 476,732.60
  4. Step 4: Simplify right side
    925,987.76x = 661,688,444,431.23
  5. Step 5: Solve for x
    x = 661,688,444,431.23/925,987.76
  6. Step 6: Final answer
    x = 714,575.80

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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.