Home / 918,938.52-1,378,408.26-350,187

Finding the Fourth Proportional to 918,938.52, 1,378,408.26 and 350,187

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Solution

The fourth proportional to 918,938.52, 1,378,408.26 and 350,187 is: 525,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,938.52 : 1,378,408.26 = 350,187 : x
  2. Step 2: Convert to fraction form
    918,938.52/1,378,408.26 = 350,187/x
  3. Step 3: Cross multiply
    918,938.52x = 1,378,408.26 × 350,187
  4. Step 4: Simplify right side
    918,938.52x = 482,700,653,344.62
  5. Step 5: Solve for x
    x = 482,700,653,344.62/918,938.52
  6. Step 6: Final answer
    x = 525,280.68

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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.