Home / 341,724.90-513,008.55-215,364.90

Finding the Fourth Proportional to 341,724.90, 513,008.55 and 215,364.90

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Solution

The fourth proportional to 341,724.90, 513,008.55 and 215,364.90 is: 323,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,724.90 : 513,008.55 = 215,364.90 : x
  2. Step 2: Convert to fraction form
    341,724.90/513,008.55 = 215,364.90/x
  3. Step 3: Cross multiply
    341,724.90x = 513,008.55 × 215,364.90
  4. Step 4: Simplify right side
    341,724.90x = 110,484,035,069.90
  5. Step 5: Solve for x
    x = 110,484,035,069.90/341,724.90
  6. Step 6: Final answer
    x = 323,312.80

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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.