Home / 839,534.78-1,158,588.97-477,020.04

Finding the Fourth Proportional to 839,534.78, 1,158,588.97 and 477,020.04

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Solution

The fourth proportional to 839,534.78, 1,158,588.97 and 477,020.04 is: 658,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,534.78 : 1,158,588.97 = 477,020.04 : x
  2. Step 2: Convert to fraction form
    839,534.78/1,158,588.97 = 477,020.04/x
  3. Step 3: Cross multiply
    839,534.78x = 1,158,588.97 × 477,020.04
  4. Step 4: Simplify right side
    839,534.78x = 552,670,157,792.76
  5. Step 5: Solve for x
    x = 552,670,157,792.76/839,534.78
  6. Step 6: Final answer
    x = 658,305.25

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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.