Home / 439,139.64-606,013.10-237,935.64

Finding the Fourth Proportional to 439,139.64, 606,013.10 and 237,935.64

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Solution

The fourth proportional to 439,139.64, 606,013.10 and 237,935.64 is: 328,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,139.64 : 606,013.10 = 237,935.64 : x
  2. Step 2: Convert to fraction form
    439,139.64/606,013.10 = 237,935.64/x
  3. Step 3: Cross multiply
    439,139.64x = 606,013.10 × 237,935.64
  4. Step 4: Simplify right side
    439,139.64x = 144,192,114,796.88
  5. Step 5: Solve for x
    x = 144,192,114,796.88/439,139.64
  6. Step 6: Final answer
    x = 328,351.40

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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.