Home / 810,916.38-1,216,546.29-242,341.74

Finding the Fourth Proportional to 810,916.38, 1,216,546.29 and 242,341.74

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Solution

The fourth proportional to 810,916.38, 1,216,546.29 and 242,341.74 is: 363,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,916.38 : 1,216,546.29 = 242,341.74 : x
  2. Step 2: Convert to fraction form
    810,916.38/1,216,546.29 = 242,341.74/x
  3. Step 3: Cross multiply
    810,916.38x = 1,216,546.29 × 242,341.74
  4. Step 4: Simplify right side
    810,916.38x = 294,819,944,709.15
  5. Step 5: Solve for x
    x = 294,819,944,709.15/810,916.38
  6. Step 6: Final answer
    x = 363,563.93

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1.5x scale

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.