Home / 1,126,581.19-1,688,909.50-416,476.87

Finding the Fourth Proportional to 1,126,581.19, 1,688,909.50 and 416,476.87

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Solution

The fourth proportional to 1,126,581.19, 1,688,909.50 and 416,476.87 is: 624,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,581.19 : 1,688,909.50 = 416,476.87 : x
  2. Step 2: Convert to fraction form
    1,126,581.19/1,688,909.50 = 416,476.87/x
  3. Step 3: Cross multiply
    1,126,581.19x = 1,688,909.50 × 416,476.87
  4. Step 4: Simplify right side
    1,126,581.19x = 703,391,742,273.27
  5. Step 5: Solve for x
    x = 703,391,742,273.27/1,126,581.19
  6. Step 6: Final answer
    x = 624,359.57

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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.