Home / 865,829.52-1,194,823.98-483,930

Finding the Fourth Proportional to 865,829.52, 1,194,823.98 and 483,930

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Solution

The fourth proportional to 865,829.52, 1,194,823.98 and 483,930 is: 667,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,829.52 : 1,194,823.98 = 483,930 : x
  2. Step 2: Convert to fraction form
    865,829.52/1,194,823.98 = 483,930/x
  3. Step 3: Cross multiply
    865,829.52x = 1,194,823.98 × 483,930
  4. Step 4: Simplify right side
    865,829.52x = 578,211,168,641.40
  5. Step 5: Solve for x
    x = 578,211,168,641.40/865,829.52
  6. Step 6: Final answer
    x = 667,811.80

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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.