Home / 819,779.76-1,131,753.41-575,514.07

Finding the Fourth Proportional to 819,779.76, 1,131,753.41 and 575,514.07

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Solution

The fourth proportional to 819,779.76, 1,131,753.41 and 575,514.07 is: 794,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,779.76 : 1,131,753.41 = 575,514.07 : x
  2. Step 2: Convert to fraction form
    819,779.76/1,131,753.41 = 575,514.07/x
  3. Step 3: Cross multiply
    819,779.76x = 1,131,753.41 × 575,514.07
  4. Step 4: Simplify right side
    819,779.76x = 651,340,011,225.48
  5. Step 5: Solve for x
    x = 651,340,011,225.48/819,779.76
  6. Step 6: Final answer
    x = 794,530.49

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1.5x scale

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.