Home / 886,688.88-1,223,632.07-504,715.69

Finding the Fourth Proportional to 886,688.88, 1,223,632.07 and 504,715.69

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Solution

The fourth proportional to 886,688.88, 1,223,632.07 and 504,715.69 is: 696,508.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,688.88 : 1,223,632.07 = 504,715.69 : x
  2. Step 2: Convert to fraction form
    886,688.88/1,223,632.07 = 504,715.69/x
  3. Step 3: Cross multiply
    886,688.88x = 1,223,632.07 × 504,715.69
  4. Step 4: Simplify right side
    886,688.88x = 617,586,304,516.18
  5. Step 5: Solve for x
    x = 617,586,304,516.18/886,688.88
  6. Step 6: Final answer
    x = 696,508.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.