Home / 646,968.20-892,819.65-375,197.21

Finding the Fourth Proportional to 646,968.20, 892,819.65 and 375,197.21

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Solution

The fourth proportional to 646,968.20, 892,819.65 and 375,197.21 is: 517,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,968.20 : 892,819.65 = 375,197.21 : x
  2. Step 2: Convert to fraction form
    646,968.20/892,819.65 = 375,197.21/x
  3. Step 3: Cross multiply
    646,968.20x = 892,819.65 × 375,197.21
  4. Step 4: Simplify right side
    646,968.20x = 334,983,441,713.18
  5. Step 5: Solve for x
    x = 334,983,441,713.18/646,968.20
  6. Step 6: Final answer
    x = 517,774.20

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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.