Home / 637,201.46-879,331.06-350,715.40

Finding the Fourth Proportional to 637,201.46, 879,331.06 and 350,715.40

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Solution

The fourth proportional to 637,201.46, 879,331.06 and 350,715.40 is: 483,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,201.46 : 879,331.06 = 350,715.40 : x
  2. Step 2: Convert to fraction form
    637,201.46/879,331.06 = 350,715.40/x
  3. Step 3: Cross multiply
    637,201.46x = 879,331.06 × 350,715.40
  4. Step 4: Simplify right side
    637,201.46x = 308,394,944,440.32
  5. Step 5: Solve for x
    x = 308,394,944,440.32/637,201.46
  6. Step 6: Final answer
    x = 483,983.42

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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.