Home / 865,864.08-1,194,945.48-483,921.36

Finding the Fourth Proportional to 865,864.08, 1,194,945.48 and 483,921.36

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Solution

The fourth proportional to 865,864.08, 1,194,945.48 and 483,921.36 is: 667,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,864.08 : 1,194,945.48 = 483,921.36 : x
  2. Step 2: Convert to fraction form
    865,864.08/1,194,945.48 = 483,921.36/x
  3. Step 3: Cross multiply
    865,864.08x = 1,194,945.48 × 483,921.36
  4. Step 4: Simplify right side
    865,864.08x = 578,259,641,807.45
  5. Step 5: Solve for x
    x = 578,259,641,807.45/865,864.08
  6. Step 6: Final answer
    x = 667,841.13

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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.