Home / 1,251,551.28-1,877,232.52-398,588.46

Finding the Fourth Proportional to 1,251,551.28, 1,877,232.52 and 398,588.46

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Solution

The fourth proportional to 1,251,551.28, 1,877,232.52 and 398,588.46 is: 597,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,551.28 : 1,877,232.52 = 398,588.46 : x
  2. Step 2: Convert to fraction form
    1,251,551.28/1,877,232.52 = 398,588.46/x
  3. Step 3: Cross multiply
    1,251,551.28x = 1,877,232.52 × 398,588.46
  4. Step 4: Simplify right side
    1,251,551.28x = 748,243,219,208.72
  5. Step 5: Solve for x
    x = 748,243,219,208.72/1,251,551.28
  6. Step 6: Final answer
    x = 597,852.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.