Home / 1,591,871.40-2,196,671.76-903,557.52

Finding the Fourth Proportional to 1,591,871.40, 2,196,671.76 and 903,557.52

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Solution

The fourth proportional to 1,591,871.40, 2,196,671.76 and 903,557.52 is: 1,246,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,871.40 : 2,196,671.76 = 903,557.52 : x
  2. Step 2: Convert to fraction form
    1,591,871.40/2,196,671.76 = 903,557.52/x
  3. Step 3: Cross multiply
    1,591,871.40x = 2,196,671.76 × 903,557.52
  4. Step 4: Simplify right side
    1,591,871.40x = 1,984,819,287,719.64
  5. Step 5: Solve for x
    x = 1,984,819,287,719.64/1,591,871.40
  6. Step 6: Final answer
    x = 1,246,846.50

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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.