Home / 439,194.78-606,088.74-237,990.78

Finding the Fourth Proportional to 439,194.78, 606,088.74 and 237,990.78

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Solution

The fourth proportional to 439,194.78, 606,088.74 and 237,990.78 is: 328,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,194.78 : 606,088.74 = 237,990.78 : x
  2. Step 2: Convert to fraction form
    439,194.78/606,088.74 = 237,990.78/x
  3. Step 3: Cross multiply
    439,194.78x = 606,088.74 × 237,990.78
  4. Step 4: Simplify right side
    439,194.78x = 144,243,531,981.82
  5. Step 5: Solve for x
    x = 144,243,531,981.82/439,194.78
  6. Step 6: Final answer
    x = 328,427.25

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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.