Home / 619,141.45-928,712.37-408,730.18

Finding the Fourth Proportional to 619,141.45, 928,712.37 and 408,730.18

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Solution

The fourth proportional to 619,141.45, 928,712.37 and 408,730.18 is: 613,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,141.45 : 928,712.37 = 408,730.18 : x
  2. Step 2: Convert to fraction form
    619,141.45/928,712.37 = 408,730.18/x
  3. Step 3: Cross multiply
    619,141.45x = 928,712.37 × 408,730.18
  4. Step 4: Simplify right side
    619,141.45x = 379,592,774,158.33
  5. Step 5: Solve for x
    x = 379,592,774,158.33/619,141.45
  6. Step 6: Final answer
    x = 613,095.40

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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.