Home / 886,901.89-1,223,925.75-504,928.66

Finding the Fourth Proportional to 886,901.89, 1,223,925.75 and 504,928.66

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Solution

The fourth proportional to 886,901.89, 1,223,925.75 and 504,928.66 is: 696,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,901.89 : 1,223,925.75 = 504,928.66 : x
  2. Step 2: Convert to fraction form
    886,901.89/1,223,925.75 = 504,928.66/x
  3. Step 3: Cross multiply
    886,901.89x = 1,223,925.75 × 504,928.66
  4. Step 4: Simplify right side
    886,901.89x = 617,995,185,827.18
  5. Step 5: Solve for x
    x = 617,995,185,827.18/886,901.89
  6. Step 6: Final answer
    x = 696,802.20

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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.