Home / 447,780.17-617,927.75-243,833.51

Finding the Fourth Proportional to 447,780.17, 617,927.75 and 243,833.51

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Solution

The fourth proportional to 447,780.17, 617,927.75 and 243,833.51 is: 336,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,780.17 : 617,927.75 = 243,833.51 : x
  2. Step 2: Convert to fraction form
    447,780.17/617,927.75 = 243,833.51/x
  3. Step 3: Cross multiply
    447,780.17x = 617,927.75 × 243,833.51
  4. Step 4: Simplify right side
    447,780.17x = 150,671,488,814.47
  5. Step 5: Solve for x
    x = 150,671,488,814.47/447,780.17
  6. Step 6: Final answer
    x = 336,485.40

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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.