Home / 439,215.26-606,117.75-238,011.26

Finding the Fourth Proportional to 439,215.26, 606,117.75 and 238,011.26

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Solution

The fourth proportional to 439,215.26, 606,117.75 and 238,011.26 is: 328,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,215.26 : 606,117.75 = 238,011.26 : x
  2. Step 2: Convert to fraction form
    439,215.26/606,117.75 = 238,011.26/x
  3. Step 3: Cross multiply
    439,215.26x = 606,117.75 × 238,011.26
  4. Step 4: Simplify right side
    439,215.26x = 144,262,849,385.87
  5. Step 5: Solve for x
    x = 144,262,849,385.87/439,215.26
  6. Step 6: Final answer
    x = 328,455.91

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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.