Home / 886,639.47-1,223,570.28-504,690.84

Finding the Fourth Proportional to 886,639.47, 1,223,570.28 and 504,690.84

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Solution

The fourth proportional to 886,639.47, 1,223,570.28 and 504,690.84 is: 696,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,639.47 : 1,223,570.28 = 504,690.84 : x
  2. Step 2: Convert to fraction form
    886,639.47/1,223,570.28 = 504,690.84/x
  3. Step 3: Cross multiply
    886,639.47x = 1,223,570.28 × 504,690.84
  4. Step 4: Simplify right side
    886,639.47x = 617,524,712,412.24
  5. Step 5: Solve for x
    x = 617,524,712,412.24/886,639.47
  6. Step 6: Final answer
    x = 696,477.81

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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.