Home / 1,126,724.65-1,688,906-416,299.57

Finding the Fourth Proportional to 1,126,724.65, 1,688,906 and 416,299.57

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Solution

The fourth proportional to 1,126,724.65, 1,688,906 and 416,299.57 is: 624,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,724.65 : 1,688,906 = 416,299.57 : x
  2. Step 2: Convert to fraction form
    1,126,724.65/1,688,906 = 416,299.57/x
  3. Step 3: Cross multiply
    1,126,724.65x = 1,688,906 × 416,299.57
  4. Step 4: Simplify right side
    1,126,724.65x = 703,090,841,570.42
  5. Step 5: Solve for x
    x = 703,090,841,570.42/1,126,724.65
  6. Step 6: Final answer
    x = 624,013.01

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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.