Home / 886,904.91-1,223,929.89-504,931.68

Finding the Fourth Proportional to 886,904.91, 1,223,929.89 and 504,931.68

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Solution

The fourth proportional to 886,904.91, 1,223,929.89 and 504,931.68 is: 696,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,904.91 : 1,223,929.89 = 504,931.68 : x
  2. Step 2: Convert to fraction form
    886,904.91/1,223,929.89 = 504,931.68/x
  3. Step 3: Cross multiply
    886,904.91x = 1,223,929.89 × 504,931.68
  4. Step 4: Simplify right side
    886,904.91x = 618,000,975,559.92
  5. Step 5: Solve for x
    x = 618,000,975,559.92/886,904.91
  6. Step 6: Final answer
    x = 696,806.35

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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.