Home / 1,668,538.02-2,503,045.10-515,883.78

Finding the Fourth Proportional to 1,668,538.02, 2,503,045.10 and 515,883.78

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Solution

The fourth proportional to 1,668,538.02, 2,503,045.10 and 515,883.78 is: 773,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,538.02 : 2,503,045.10 = 515,883.78 : x
  2. Step 2: Convert to fraction form
    1,668,538.02/2,503,045.10 = 515,883.78/x
  3. Step 3: Cross multiply
    1,668,538.02x = 2,503,045.10 × 515,883.78
  4. Step 4: Simplify right side
    1,668,538.02x = 1,291,280,367,698.48
  5. Step 5: Solve for x
    x = 1,291,280,367,698.48/1,668,538.02
  6. Step 6: Final answer
    x = 773,899.28

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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.