Home / 893,105.80-1,339,637.10-537,850.60

Finding the Fourth Proportional to 893,105.80, 1,339,637.10 and 537,850.60

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Solution

The fourth proportional to 893,105.80, 1,339,637.10 and 537,850.60 is: 806,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,105.80 : 1,339,637.10 = 537,850.60 : x
  2. Step 2: Convert to fraction form
    893,105.80/1,339,637.10 = 537,850.60/x
  3. Step 3: Cross multiply
    893,105.80x = 1,339,637.10 × 537,850.60
  4. Step 4: Simplify right side
    893,105.80x = 720,524,618,017.26
  5. Step 5: Solve for x
    x = 720,524,618,017.26/893,105.80
  6. Step 6: Final answer
    x = 806,762.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.