Home / 651,412.20-976,340.70-335,706.60

Finding the Fourth Proportional to 651,412.20, 976,340.70 and 335,706.60

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Solution

The fourth proportional to 651,412.20, 976,340.70 and 335,706.60 is: 503,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,412.20 : 976,340.70 = 335,706.60 : x
  2. Step 2: Convert to fraction form
    651,412.20/976,340.70 = 335,706.60/x
  3. Step 3: Cross multiply
    651,412.20x = 976,340.70 × 335,706.60
  4. Step 4: Simplify right side
    651,412.20x = 327,764,016,838.62
  5. Step 5: Solve for x
    x = 327,764,016,838.62/651,412.20
  6. Step 6: Final answer
    x = 503,159.16

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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.