Home / 439,097.58-606,155.67-257,780.70

Finding the Fourth Proportional to 439,097.58, 606,155.67 and 257,780.70

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Solution

The fourth proportional to 439,097.58, 606,155.67 and 257,780.70 is: 355,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,097.58 : 606,155.67 = 257,780.70 : x
  2. Step 2: Convert to fraction form
    439,097.58/606,155.67 = 257,780.70/x
  3. Step 3: Cross multiply
    439,097.58x = 606,155.67 × 257,780.70
  4. Step 4: Simplify right side
    439,097.58x = 156,255,232,921.57
  5. Step 5: Solve for x
    x = 156,255,232,921.57/439,097.58
  6. Step 6: Final answer
    x = 355,855.37

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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.