Home / 1,633,188.12-2,253,925.80-979,838.70

Finding the Fourth Proportional to 1,633,188.12, 2,253,925.80 and 979,838.70

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Solution

The fourth proportional to 1,633,188.12, 2,253,925.80 and 979,838.70 is: 1,352,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,188.12 : 2,253,925.80 = 979,838.70 : x
  2. Step 2: Convert to fraction form
    1,633,188.12/2,253,925.80 = 979,838.70/x
  3. Step 3: Cross multiply
    1,633,188.12x = 2,253,925.80 × 979,838.70
  4. Step 4: Simplify right side
    1,633,188.12x = 2,208,483,725,768.46
  5. Step 5: Solve for x
    x = 2,208,483,725,768.46/1,633,188.12
  6. Step 6: Final answer
    x = 1,352,253.12

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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.