Home / 839,134.06-1,158,006.54-476,557.88

Finding the Fourth Proportional to 839,134.06, 1,158,006.54 and 476,557.88

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Solution

The fourth proportional to 839,134.06, 1,158,006.54 and 476,557.88 is: 657,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,134.06 : 1,158,006.54 = 476,557.88 : x
  2. Step 2: Convert to fraction form
    839,134.06/1,158,006.54 = 476,557.88/x
  3. Step 3: Cross multiply
    839,134.06x = 1,158,006.54 × 476,557.88
  4. Step 4: Simplify right side
    839,134.06x = 551,857,141,728.54
  5. Step 5: Solve for x
    x = 551,857,141,728.54/839,134.06
  6. Step 6: Final answer
    x = 657,650.75

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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.