Home / 1,019,168.10-1,527,002.55-663,999.30

Finding the Fourth Proportional to 1,019,168.10, 1,527,002.55 and 663,999.30

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Solution

The fourth proportional to 1,019,168.10, 1,527,002.55 and 663,999.30 is: 994,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,168.10 : 1,527,002.55 = 663,999.30 : x
  2. Step 2: Convert to fraction form
    1,019,168.10/1,527,002.55 = 663,999.30/x
  3. Step 3: Cross multiply
    1,019,168.10x = 1,527,002.55 × 663,999.30
  4. Step 4: Simplify right side
    1,019,168.10x = 1,013,928,624,298.22
  5. Step 5: Solve for x
    x = 1,013,928,624,298.22/1,019,168.10
  6. Step 6: Final answer
    x = 994,859.07

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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.