Home / 839,781.88-1,158,899.33-477,206.10

Finding the Fourth Proportional to 839,781.88, 1,158,899.33 and 477,206.10

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Solution

The fourth proportional to 839,781.88, 1,158,899.33 and 477,206.10 is: 658,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,781.88 : 1,158,899.33 = 477,206.10 : x
  2. Step 2: Convert to fraction form
    839,781.88/1,158,899.33 = 477,206.10/x
  3. Step 3: Cross multiply
    839,781.88x = 1,158,899.33 × 477,206.10
  4. Step 4: Simplify right side
    839,781.88x = 553,033,830,754.93
  5. Step 5: Solve for x
    x = 553,033,830,754.93/839,781.88
  6. Step 6: Final answer
    x = 658,544.61

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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.