Home / 526,320.47-726,326.61-290,581.94

Finding the Fourth Proportional to 526,320.47, 726,326.61 and 290,581.94

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Solution

The fourth proportional to 526,320.47, 726,326.61 and 290,581.94 is: 401,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,320.47 : 726,326.61 = 290,581.94 : x
  2. Step 2: Convert to fraction form
    526,320.47/726,326.61 = 290,581.94/x
  3. Step 3: Cross multiply
    526,320.47x = 726,326.61 × 290,581.94
  4. Step 4: Simplify right side
    526,320.47x = 211,057,397,563.59
  5. Step 5: Solve for x
    x = 211,057,397,563.59/526,320.47
  6. Step 6: Final answer
    x = 401,005.49

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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.