Home / 651,619.20-976,651.20-272,539.20

Finding the Fourth Proportional to 651,619.20, 976,651.20 and 272,539.20

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Solution

The fourth proportional to 651,619.20, 976,651.20 and 272,539.20 is: 408,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,619.20 : 976,651.20 = 272,539.20 : x
  2. Step 2: Convert to fraction form
    651,619.20/976,651.20 = 272,539.20/x
  3. Step 3: Cross multiply
    651,619.20x = 976,651.20 × 272,539.20
  4. Step 4: Simplify right side
    651,619.20x = 266,175,736,727.04
  5. Step 5: Solve for x
    x = 266,175,736,727.04/651,619.20
  6. Step 6: Final answer
    x = 408,483.57

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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.