Home / 1,331,762.92-1,836,607.18-872,710.78

Finding the Fourth Proportional to 1,331,762.92, 1,836,607.18 and 872,710.78

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Solution

The fourth proportional to 1,331,762.92, 1,836,607.18 and 872,710.78 is: 1,203,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,762.92 : 1,836,607.18 = 872,710.78 : x
  2. Step 2: Convert to fraction form
    1,331,762.92/1,836,607.18 = 872,710.78/x
  3. Step 3: Cross multiply
    1,331,762.92x = 1,836,607.18 × 872,710.78
  4. Step 4: Simplify right side
    1,331,762.92x = 1,602,826,884,611.40
  5. Step 5: Solve for x
    x = 1,602,826,884,611.40/1,331,762.92
  6. Step 6: Final answer
    x = 1,203,537.70

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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.