Home / 512,013.28-706,577.16-297,279.04

Finding the Fourth Proportional to 512,013.28, 706,577.16 and 297,279.04

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Solution

The fourth proportional to 512,013.28, 706,577.16 and 297,279.04 is: 410,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,013.28 : 706,577.16 = 297,279.04 : x
  2. Step 2: Convert to fraction form
    512,013.28/706,577.16 = 297,279.04/x
  3. Step 3: Cross multiply
    512,013.28x = 706,577.16 × 297,279.04
  4. Step 4: Simplify right side
    512,013.28x = 210,050,579,810.73
  5. Step 5: Solve for x
    x = 210,050,579,810.73/512,013.28
  6. Step 6: Final answer
    x = 410,244.40

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1.5x scale

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.