Home / 1,256,552.60-1,884,828.90-778,255.70

Finding the Fourth Proportional to 1,256,552.60, 1,884,828.90 and 778,255.70

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Solution

The fourth proportional to 1,256,552.60, 1,884,828.90 and 778,255.70 is: 1,167,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,552.60 : 1,884,828.90 = 778,255.70 : x
  2. Step 2: Convert to fraction form
    1,256,552.60/1,884,828.90 = 778,255.70/x
  3. Step 3: Cross multiply
    1,256,552.60x = 1,884,828.90 × 778,255.70
  4. Step 4: Simplify right side
    1,256,552.60x = 1,466,878,834,949.73
  5. Step 5: Solve for x
    x = 1,466,878,834,949.73/1,256,552.60
  6. Step 6: Final answer
    x = 1,167,383.55

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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.