Home / 578,164.61-867,242.07-451,911.04

Finding the Fourth Proportional to 578,164.61, 867,242.07 and 451,911.04

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Solution

The fourth proportional to 578,164.61, 867,242.07 and 451,911.04 is: 677,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,164.61 : 867,242.07 = 451,911.04 : x
  2. Step 2: Convert to fraction form
    578,164.61/867,242.07 = 451,911.04/x
  3. Step 3: Cross multiply
    578,164.61x = 867,242.07 × 451,911.04
  4. Step 4: Simplify right side
    578,164.61x = 391,916,265,785.45
  5. Step 5: Solve for x
    x = 391,916,265,785.45/578,164.61
  6. Step 6: Final answer
    x = 677,862.77

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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.