Home / 1,125,731.52-1,689,220.68-416,225.04

Finding the Fourth Proportional to 1,125,731.52, 1,689,220.68 and 416,225.04

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Solution

The fourth proportional to 1,125,731.52, 1,689,220.68 and 416,225.04 is: 624,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,731.52 : 1,689,220.68 = 416,225.04 : x
  2. Step 2: Convert to fraction form
    1,125,731.52/1,689,220.68 = 416,225.04/x
  3. Step 3: Cross multiply
    1,125,731.52x = 1,689,220.68 × 416,225.04
  4. Step 4: Simplify right side
    1,125,731.52x = 703,095,945,101.83
  5. Step 5: Solve for x
    x = 703,095,945,101.83/1,125,731.52
  6. Step 6: Final answer
    x = 624,568.05

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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.