Home / 886,686.39-1,223,628.63-504,713.19

Finding the Fourth Proportional to 886,686.39, 1,223,628.63 and 504,713.19

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Solution

The fourth proportional to 886,686.39, 1,223,628.63 and 504,713.19 is: 696,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,686.39 : 1,223,628.63 = 504,713.19 : x
  2. Step 2: Convert to fraction form
    886,686.39/1,223,628.63 = 504,713.19/x
  3. Step 3: Cross multiply
    886,686.39x = 1,223,628.63 × 504,713.19
  4. Step 4: Simplify right side
    886,686.39x = 617,581,509,222.63
  5. Step 5: Solve for x
    x = 617,581,509,222.63/886,686.39
  6. Step 6: Final answer
    x = 696,505.01

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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.