Home / 1,685,185.68-2,528,416.92-1,011,737.28

Finding the Fourth Proportional to 1,685,185.68, 2,528,416.92 and 1,011,737.28

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Solution

The fourth proportional to 1,685,185.68, 2,528,416.92 and 1,011,737.28 is: 1,517,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,185.68 : 2,528,416.92 = 1,011,737.28 : x
  2. Step 2: Convert to fraction form
    1,685,185.68/2,528,416.92 = 1,011,737.28/x
  3. Step 3: Cross multiply
    1,685,185.68x = 2,528,416.92 × 1,011,737.28
  4. Step 4: Simplify right side
    1,685,185.68x = 2,558,093,657,346.78
  5. Step 5: Solve for x
    x = 2,558,093,657,346.78/1,685,185.68
  6. Step 6: Final answer
    x = 1,517,989.20

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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.