Home / 401,612.18-602,098.58-199,065.74

Finding the Fourth Proportional to 401,612.18, 602,098.58 and 199,065.74

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Solution

The fourth proportional to 401,612.18, 602,098.58 and 199,065.74 is: 298,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,612.18 : 602,098.58 = 199,065.74 : x
  2. Step 2: Convert to fraction form
    401,612.18/602,098.58 = 199,065.74/x
  3. Step 3: Cross multiply
    401,612.18x = 602,098.58 × 199,065.74
  4. Step 4: Simplify right side
    401,612.18x = 119,857,196,867.82
  5. Step 5: Solve for x
    x = 119,857,196,867.82/401,612.18
  6. Step 6: Final answer
    x = 298,440.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.