Home / 1,126,725.15-1,688,906.75-416,300.07

Finding the Fourth Proportional to 1,126,725.15, 1,688,906.75 and 416,300.07

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Solution

The fourth proportional to 1,126,725.15, 1,688,906.75 and 416,300.07 is: 624,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,725.15 : 1,688,906.75 = 416,300.07 : x
  2. Step 2: Convert to fraction form
    1,126,725.15/1,688,906.75 = 416,300.07/x
  3. Step 3: Cross multiply
    1,126,725.15x = 1,688,906.75 × 416,300.07
  4. Step 4: Simplify right side
    1,126,725.15x = 703,091,996,166.97
  5. Step 5: Solve for x
    x = 703,091,996,166.97/1,126,725.15
  6. Step 6: Final answer
    x = 624,013.76

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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.