Home / 672,180.24-926,985.48-490,604.76

Finding the Fourth Proportional to 672,180.24, 926,985.48 and 490,604.76

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Solution

The fourth proportional to 672,180.24, 926,985.48 and 490,604.76 is: 676,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,180.24 : 926,985.48 = 490,604.76 : x
  2. Step 2: Convert to fraction form
    672,180.24/926,985.48 = 490,604.76/x
  3. Step 3: Cross multiply
    672,180.24x = 926,985.48 × 490,604.76
  4. Step 4: Simplify right side
    672,180.24x = 454,783,488,938.89
  5. Step 5: Solve for x
    x = 454,783,488,938.89/672,180.24
  6. Step 6: Final answer
    x = 676,579.68

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Half scale
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Double scale
Find fourth proportional to 672,181.24, 926,986.86 and 490,605.76
Similar ratio
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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.