Home / 522,525.47-721,113.66-293,155.38

Finding the Fourth Proportional to 522,525.47, 721,113.66 and 293,155.38

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Solution

The fourth proportional to 522,525.47, 721,113.66 and 293,155.38 is: 404,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,525.47 : 721,113.66 = 293,155.38 : x
  2. Step 2: Convert to fraction form
    522,525.47/721,113.66 = 293,155.38/x
  3. Step 3: Cross multiply
    522,525.47x = 721,113.66 × 293,155.38
  4. Step 4: Simplify right side
    522,525.47x = 211,398,349,020.49
  5. Step 5: Solve for x
    x = 211,398,349,020.49/522,525.47
  6. Step 6: Final answer
    x = 404,570.42

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Double scale
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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.