Home / 865,491.84-1,298,237.96-234,405.86

Finding the Fourth Proportional to 865,491.84, 1,298,237.96 and 234,405.86

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Solution

The fourth proportional to 865,491.84, 1,298,237.96 and 234,405.86 is: 351,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,491.84 : 1,298,237.96 = 234,405.86 : x
  2. Step 2: Convert to fraction form
    865,491.84/1,298,237.96 = 234,405.86/x
  3. Step 3: Cross multiply
    865,491.84x = 1,298,237.96 × 234,405.86
  4. Step 4: Simplify right side
    865,491.84x = 304,314,585,498.45
  5. Step 5: Solve for x
    x = 304,314,585,498.45/865,491.84
  6. Step 6: Final answer
    x = 351,608.84

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1.5x scale

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.