Home / 406,767.42-561,149.19-255,947.58

Finding the Fourth Proportional to 406,767.42, 561,149.19 and 255,947.58

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Solution

The fourth proportional to 406,767.42, 561,149.19 and 255,947.58 is: 353,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,767.42 : 561,149.19 = 255,947.58 : x
  2. Step 2: Convert to fraction form
    406,767.42/561,149.19 = 255,947.58/x
  3. Step 3: Cross multiply
    406,767.42x = 561,149.19 × 255,947.58
  4. Step 4: Simplify right side
    406,767.42x = 143,624,777,199.46
  5. Step 5: Solve for x
    x = 143,624,777,199.46/406,767.42
  6. Step 6: Final answer
    x = 353,088.20

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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.