Home / 771,161.38-1,154,730.03-620,579.14

Finding the Fourth Proportional to 771,161.38, 1,154,730.03 and 620,579.14

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Solution

The fourth proportional to 771,161.38, 1,154,730.03 and 620,579.14 is: 929,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,161.38 : 1,154,730.03 = 620,579.14 : x
  2. Step 2: Convert to fraction form
    771,161.38/1,154,730.03 = 620,579.14/x
  3. Step 3: Cross multiply
    771,161.38x = 1,154,730.03 × 620,579.14
  4. Step 4: Simplify right side
    771,161.38x = 716,601,368,949.57
  5. Step 5: Solve for x
    x = 716,601,368,949.57/771,161.38
  6. Step 6: Final answer
    x = 929,249.55

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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.