Home / 1,611,685.76-2,417,614.96-413,618.40

Finding the Fourth Proportional to 1,611,685.76, 2,417,614.96 and 413,618.40

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Solution

The fourth proportional to 1,611,685.76, 2,417,614.96 and 413,618.40 is: 620,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,685.76 : 2,417,614.96 = 413,618.40 : x
  2. Step 2: Convert to fraction form
    1,611,685.76/2,417,614.96 = 413,618.40/x
  3. Step 3: Cross multiply
    1,611,685.76x = 2,417,614.96 × 413,618.40
  4. Step 4: Simplify right side
    1,611,685.76x = 999,970,031,571.26
  5. Step 5: Solve for x
    x = 999,970,031,571.26/1,611,685.76
  6. Step 6: Final answer
    x = 620,449.75

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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.