Home / 886,153.64-1,222,838.17-523,490.72

Finding the Fourth Proportional to 886,153.64, 1,222,838.17 and 523,490.72

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Solution

The fourth proportional to 886,153.64, 1,222,838.17 and 523,490.72 is: 722,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,153.64 : 1,222,838.17 = 523,490.72 : x
  2. Step 2: Convert to fraction form
    886,153.64/1,222,838.17 = 523,490.72/x
  3. Step 3: Cross multiply
    886,153.64x = 1,222,838.17 × 523,490.72
  4. Step 4: Simplify right side
    886,153.64x = 640,144,426,633.87
  5. Step 5: Solve for x
    x = 640,144,426,633.87/886,153.64
  6. Step 6: Final answer
    x = 722,385.38

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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.