Home / 511,150.10-705,389.99-296,417.61

Finding the Fourth Proportional to 511,150.10, 705,389.99 and 296,417.61

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Solution

The fourth proportional to 511,150.10, 705,389.99 and 296,417.61 is: 409,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,150.10 : 705,389.99 = 296,417.61 : x
  2. Step 2: Convert to fraction form
    511,150.10/705,389.99 = 296,417.61/x
  3. Step 3: Cross multiply
    511,150.10x = 705,389.99 × 296,417.61
  4. Step 4: Simplify right side
    511,150.10x = 209,090,013,471.64
  5. Step 5: Solve for x
    x = 209,090,013,471.64/511,150.10
  6. Step 6: Final answer
    x = 409,057.96

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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.