Home / 805,453.19-1,111,496.95-442,874.51

Finding the Fourth Proportional to 805,453.19, 1,111,496.95 and 442,874.51

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Solution

The fourth proportional to 805,453.19, 1,111,496.95 and 442,874.51 is: 611,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,453.19 : 1,111,496.95 = 442,874.51 : x
  2. Step 2: Convert to fraction form
    805,453.19/1,111,496.95 = 442,874.51/x
  3. Step 3: Cross multiply
    805,453.19x = 1,111,496.95 × 442,874.51
  4. Step 4: Simplify right side
    805,453.19x = 492,253,667,097.75
  5. Step 5: Solve for x
    x = 492,253,667,097.75/805,453.19
  6. Step 6: Final answer
    x = 611,151.18

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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.