Home / 1,578,366.88-2,177,630.40-965,881.60

Finding the Fourth Proportional to 1,578,366.88, 2,177,630.40 and 965,881.60

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Solution

The fourth proportional to 1,578,366.88, 2,177,630.40 and 965,881.60 is: 1,332,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,366.88 : 2,177,630.40 = 965,881.60 : x
  2. Step 2: Convert to fraction form
    1,578,366.88/2,177,630.40 = 965,881.60/x
  3. Step 3: Cross multiply
    1,578,366.88x = 2,177,630.40 × 965,881.60
  4. Step 4: Simplify right side
    1,578,366.88x = 2,103,333,134,960.64
  5. Step 5: Solve for x
    x = 2,103,333,134,960.64/1,578,366.88
  6. Step 6: Final answer
    x = 1,332,600.91

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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.