Home / 561,191.04-774,433.92-306,535.68

Finding the Fourth Proportional to 561,191.04, 774,433.92 and 306,535.68

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Solution

The fourth proportional to 561,191.04, 774,433.92 and 306,535.68 is: 423,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,191.04 : 774,433.92 = 306,535.68 : x
  2. Step 2: Convert to fraction form
    561,191.04/774,433.92 = 306,535.68/x
  3. Step 3: Cross multiply
    561,191.04x = 774,433.92 × 306,535.68
  4. Step 4: Simplify right side
    561,191.04x = 237,391,628,282.27
  5. Step 5: Solve for x
    x = 237,391,628,282.27/561,191.04
  6. Step 6: Final answer
    x = 423,013.93

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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.