Home / 862,152.15-1,189,723.09-474,892.10

Finding the Fourth Proportional to 862,152.15, 1,189,723.09 and 474,892.10

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Solution

The fourth proportional to 862,152.15, 1,189,723.09 and 474,892.10 is: 655,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,152.15 : 1,189,723.09 = 474,892.10 : x
  2. Step 2: Convert to fraction form
    862,152.15/1,189,723.09 = 474,892.10/x
  3. Step 3: Cross multiply
    862,152.15x = 1,189,723.09 × 474,892.10
  4. Step 4: Simplify right side
    862,152.15x = 564,990,096,628.59
  5. Step 5: Solve for x
    x = 564,990,096,628.59/862,152.15
  6. Step 6: Final answer
    x = 655,325.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.