Home / 691,656.76-1,037,397.66-186,258.07

Finding the Fourth Proportional to 691,656.76, 1,037,397.66 and 186,258.07

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Solution

The fourth proportional to 691,656.76, 1,037,397.66 and 186,258.07 is: 279,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,656.76 : 1,037,397.66 = 186,258.07 : x
  2. Step 2: Convert to fraction form
    691,656.76/1,037,397.66 = 186,258.07/x
  3. Step 3: Cross multiply
    691,656.76x = 1,037,397.66 × 186,258.07
  4. Step 4: Simplify right side
    691,656.76x = 193,223,685,974.12
  5. Step 5: Solve for x
    x = 193,223,685,974.12/691,656.76
  6. Step 6: Final answer
    x = 279,363.55

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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.