Home / 829,461.90-1,244,346.45-268,514.70

Finding the Fourth Proportional to 829,461.90, 1,244,346.45 and 268,514.70

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Solution

The fourth proportional to 829,461.90, 1,244,346.45 and 268,514.70 is: 402,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,461.90 : 1,244,346.45 = 268,514.70 : x
  2. Step 2: Convert to fraction form
    829,461.90/1,244,346.45 = 268,514.70/x
  3. Step 3: Cross multiply
    829,461.90x = 1,244,346.45 × 268,514.70
  4. Step 4: Simplify right side
    829,461.90x = 334,125,313,717.82
  5. Step 5: Solve for x
    x = 334,125,313,717.82/829,461.90
  6. Step 6: Final answer
    x = 402,821.77

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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.