Home / 821,727.06-1,133,962.16-459,153.89

Finding the Fourth Proportional to 821,727.06, 1,133,962.16 and 459,153.89

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Solution

The fourth proportional to 821,727.06, 1,133,962.16 and 459,153.89 is: 633,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,727.06 : 1,133,962.16 = 459,153.89 : x
  2. Step 2: Convert to fraction form
    821,727.06/1,133,962.16 = 459,153.89/x
  3. Step 3: Cross multiply
    821,727.06x = 1,133,962.16 × 459,153.89
  4. Step 4: Simplify right side
    821,727.06x = 520,663,136,876.80
  5. Step 5: Solve for x
    x = 520,663,136,876.80/821,727.06
  6. Step 6: Final answer
    x = 633,620.53

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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.