Home / 898,729.36-1,240,277.13-531,521.28

Finding the Fourth Proportional to 898,729.36, 1,240,277.13 and 531,521.28

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Solution

The fourth proportional to 898,729.36, 1,240,277.13 and 531,521.28 is: 733,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,729.36 : 1,240,277.13 = 531,521.28 : x
  2. Step 2: Convert to fraction form
    898,729.36/1,240,277.13 = 531,521.28/x
  3. Step 3: Cross multiply
    898,729.36x = 1,240,277.13 × 531,521.28
  4. Step 4: Simplify right side
    898,729.36x = 659,233,678,833.33
  5. Step 5: Solve for x
    x = 659,233,678,833.33/898,729.36
  6. Step 6: Final answer
    x = 733,517.46

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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.