Home / 865,907.81-1,194,954.50-483,934.58

Finding the Fourth Proportional to 865,907.81, 1,194,954.50 and 483,934.58

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Solution

The fourth proportional to 865,907.81, 1,194,954.50 and 483,934.58 is: 667,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,907.81 : 1,194,954.50 = 483,934.58 : x
  2. Step 2: Convert to fraction form
    865,907.81/1,194,954.50 = 483,934.58/x
  3. Step 3: Cross multiply
    865,907.81x = 1,194,954.50 × 483,934.58
  4. Step 4: Simplify right side
    865,907.81x = 578,279,799,311.67
  5. Step 5: Solve for x
    x = 578,279,799,311.67/865,907.81
  6. Step 6: Final answer
    x = 667,830.68

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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.