Home / 801,747.84-1,106,426.40-439,165.92

Finding the Fourth Proportional to 801,747.84, 1,106,426.40 and 439,165.92

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Solution

The fourth proportional to 801,747.84, 1,106,426.40 and 439,165.92 is: 606,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,747.84 : 1,106,426.40 = 439,165.92 : x
  2. Step 2: Convert to fraction form
    801,747.84/1,106,426.40 = 439,165.92/x
  3. Step 3: Cross multiply
    801,747.84x = 1,106,426.40 × 439,165.92
  4. Step 4: Simplify right side
    801,747.84x = 485,904,767,868.29
  5. Step 5: Solve for x
    x = 485,904,767,868.29/801,747.84
  6. Step 6: Final answer
    x = 606,056.85

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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.