Home / 865,943.61-1,194,999.18-483,970.39

Finding the Fourth Proportional to 865,943.61, 1,194,999.18 and 483,970.39

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Solution

The fourth proportional to 865,943.61, 1,194,999.18 and 483,970.39 is: 667,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,943.61 : 1,194,999.18 = 483,970.39 : x
  2. Step 2: Convert to fraction form
    865,943.61/1,194,999.18 = 483,970.39/x
  3. Step 3: Cross multiply
    865,943.61x = 1,194,999.18 × 483,970.39
  4. Step 4: Simplify right side
    865,943.61x = 578,344,225,197.26
  5. Step 5: Solve for x
    x = 578,344,225,197.26/865,943.61
  6. Step 6: Final answer
    x = 667,877.47

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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.