Home / 772,587.36-1,158,595.84-267,019.36

Finding the Fourth Proportional to 772,587.36, 1,158,595.84 and 267,019.36

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Solution

The fourth proportional to 772,587.36, 1,158,595.84 and 267,019.36 is: 400,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,587.36 : 1,158,595.84 = 267,019.36 : x
  2. Step 2: Convert to fraction form
    772,587.36/1,158,595.84 = 267,019.36/x
  3. Step 3: Cross multiply
    772,587.36x = 1,158,595.84 × 267,019.36
  4. Step 4: Simplify right side
    772,587.36x = 309,367,519,695.46
  5. Step 5: Solve for x
    x = 309,367,519,695.46/772,587.36
  6. Step 6: Final answer
    x = 400,430.47

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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.