Home / 397,113.03-547,810.70-245,947.59

Finding the Fourth Proportional to 397,113.03, 547,810.70 and 245,947.59

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Solution

The fourth proportional to 397,113.03, 547,810.70 and 245,947.59 is: 339,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,113.03 : 547,810.70 = 245,947.59 : x
  2. Step 2: Convert to fraction form
    397,113.03/547,810.70 = 245,947.59/x
  3. Step 3: Cross multiply
    397,113.03x = 547,810.70 × 245,947.59
  4. Step 4: Simplify right side
    397,113.03x = 134,732,720,211.48
  5. Step 5: Solve for x
    x = 134,732,720,211.48/397,113.03
  6. Step 6: Final answer
    x = 339,280.53

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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.