Home / 885,719.24-1,221,871.58-522,900.04

Finding the Fourth Proportional to 885,719.24, 1,221,871.58 and 522,900.04

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Solution

The fourth proportional to 885,719.24, 1,221,871.58 and 522,900.04 is: 721,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,719.24 : 1,221,871.58 = 522,900.04 : x
  2. Step 2: Convert to fraction form
    885,719.24/1,221,871.58 = 522,900.04/x
  3. Step 3: Cross multiply
    885,719.24x = 1,221,871.58 × 522,900.04
  4. Step 4: Simplify right side
    885,719.24x = 638,916,692,387.68
  5. Step 5: Solve for x
    x = 638,916,692,387.68/885,719.24
  6. Step 6: Final answer
    x = 721,353.53

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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.