Home / 510,743.36-766,464.72-178,319.36

Finding the Fourth Proportional to 510,743.36, 766,464.72 and 178,319.36

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Solution

The fourth proportional to 510,743.36, 766,464.72 and 178,319.36 is: 267,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,743.36 : 766,464.72 = 178,319.36 : x
  2. Step 2: Convert to fraction form
    510,743.36/766,464.72 = 178,319.36/x
  3. Step 3: Cross multiply
    510,743.36x = 766,464.72 × 178,319.36
  4. Step 4: Simplify right side
    510,743.36x = 136,675,498,332.98
  5. Step 5: Solve for x
    x = 136,675,498,332.98/510,743.36
  6. Step 6: Final answer
    x = 267,601.13

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1.5x scale

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.