Home / 876,054.80-1,314,519.60-497,266.40

Finding the Fourth Proportional to 876,054.80, 1,314,519.60 and 497,266.40

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Solution

The fourth proportional to 876,054.80, 1,314,519.60 and 497,266.40 is: 746,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,054.80 : 1,314,519.60 = 497,266.40 : x
  2. Step 2: Convert to fraction form
    876,054.80/1,314,519.60 = 497,266.40/x
  3. Step 3: Cross multiply
    876,054.80x = 1,314,519.60 × 497,266.40
  4. Step 4: Simplify right side
    876,054.80x = 653,666,429,221.44
  5. Step 5: Solve for x
    x = 653,666,429,221.44/876,054.80
  6. Step 6: Final answer
    x = 746,147.88

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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.