Home / 767,326.40-1,059,114.66-453,273.37

Finding the Fourth Proportional to 767,326.40, 1,059,114.66 and 453,273.37

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Solution

The fourth proportional to 767,326.40, 1,059,114.66 and 453,273.37 is: 625,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,326.40 : 1,059,114.66 = 453,273.37 : x
  2. Step 2: Convert to fraction form
    767,326.40/1,059,114.66 = 453,273.37/x
  3. Step 3: Cross multiply
    767,326.40x = 1,059,114.66 × 453,273.37
  4. Step 4: Simplify right side
    767,326.40x = 480,068,471,154.60
  5. Step 5: Solve for x
    x = 480,068,471,154.60/767,326.40
  6. Step 6: Final answer
    x = 625,637.89

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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.