Home / 1,255,258.06-1,883,137.65-656,488.78

Finding the Fourth Proportional to 1,255,258.06, 1,883,137.65 and 656,488.78

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Solution

The fourth proportional to 1,255,258.06, 1,883,137.65 and 656,488.78 is: 984,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,258.06 : 1,883,137.65 = 656,488.78 : x
  2. Step 2: Convert to fraction form
    1,255,258.06/1,883,137.65 = 656,488.78/x
  3. Step 3: Cross multiply
    1,255,258.06x = 1,883,137.65 × 656,488.78
  4. Step 4: Simplify right side
    1,255,258.06x = 1,236,258,732,071.50
  5. Step 5: Solve for x
    x = 1,236,258,732,071.50/1,255,258.06
  6. Step 6: Final answer
    x = 984,864.21

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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.