Home / 405,102.83-559,199.39-362,587.55

Finding the Fourth Proportional to 405,102.83, 559,199.39 and 362,587.55

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Solution

The fourth proportional to 405,102.83, 559,199.39 and 362,587.55 is: 500,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,102.83 : 559,199.39 = 362,587.55 : x
  2. Step 2: Convert to fraction form
    405,102.83/559,199.39 = 362,587.55/x
  3. Step 3: Cross multiply
    405,102.83x = 559,199.39 × 362,587.55
  4. Step 4: Simplify right side
    405,102.83x = 202,758,732,172.66
  5. Step 5: Solve for x
    x = 202,758,732,172.66/405,102.83
  6. Step 6: Final answer
    x = 500,511.77

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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.