Home / 898,222.25-1,239,538.19-553,920.54

Finding the Fourth Proportional to 898,222.25, 1,239,538.19 and 553,920.54

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Solution

The fourth proportional to 898,222.25, 1,239,538.19 and 553,920.54 is: 764,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,222.25 : 1,239,538.19 = 553,920.54 : x
  2. Step 2: Convert to fraction form
    898,222.25/1,239,538.19 = 553,920.54/x
  3. Step 3: Cross multiply
    898,222.25x = 1,239,538.19 × 553,920.54
  4. Step 4: Simplify right side
    898,222.25x = 686,605,660,785.82
  5. Step 5: Solve for x
    x = 686,605,660,785.82/898,222.25
  6. Step 6: Final answer
    x = 764,405.10

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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.