Home / 417,828.72-576,639.32-236,572.59

Finding the Fourth Proportional to 417,828.72, 576,639.32 and 236,572.59

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Solution

The fourth proportional to 417,828.72, 576,639.32 and 236,572.59 is: 326,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,828.72 : 576,639.32 = 236,572.59 : x
  2. Step 2: Convert to fraction form
    417,828.72/576,639.32 = 236,572.59/x
  3. Step 3: Cross multiply
    417,828.72x = 576,639.32 × 236,572.59
  4. Step 4: Simplify right side
    417,828.72x = 136,417,057,428.24
  5. Step 5: Solve for x
    x = 136,417,057,428.24/417,828.72
  6. Step 6: Final answer
    x = 326,490.38

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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.