Home / 785,029.68-1,083,337.89-440,817.75

Finding the Fourth Proportional to 785,029.68, 1,083,337.89 and 440,817.75

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Solution

The fourth proportional to 785,029.68, 1,083,337.89 and 440,817.75 is: 608,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,029.68 : 1,083,337.89 = 440,817.75 : x
  2. Step 2: Convert to fraction form
    785,029.68/1,083,337.89 = 440,817.75/x
  3. Step 3: Cross multiply
    785,029.68x = 1,083,337.89 × 440,817.75
  4. Step 4: Simplify right side
    785,029.68x = 477,554,571,159.55
  5. Step 5: Solve for x
    x = 477,554,571,159.55/785,029.68
  6. Step 6: Final answer
    x = 608,326.77

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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.