Home / 613,674.57-846,434.66-409,622.61

Finding the Fourth Proportional to 613,674.57, 846,434.66 and 409,622.61

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Solution

The fourth proportional to 613,674.57, 846,434.66 and 409,622.61 is: 564,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,674.57 : 846,434.66 = 409,622.61 : x
  2. Step 2: Convert to fraction form
    613,674.57/846,434.66 = 409,622.61/x
  3. Step 3: Cross multiply
    613,674.57x = 846,434.66 × 409,622.61
  4. Step 4: Simplify right side
    613,674.57x = 346,718,774,623.66
  5. Step 5: Solve for x
    x = 346,718,774,623.66/613,674.57
  6. Step 6: Final answer
    x = 564,988.01

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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.