Home / 740,981.06-1,109,695.50-380,202.44

Finding the Fourth Proportional to 740,981.06, 1,109,695.50 and 380,202.44

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Solution

The fourth proportional to 740,981.06, 1,109,695.50 and 380,202.44 is: 569,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,981.06 : 1,109,695.50 = 380,202.44 : x
  2. Step 2: Convert to fraction form
    740,981.06/1,109,695.50 = 380,202.44/x
  3. Step 3: Cross multiply
    740,981.06x = 1,109,695.50 × 380,202.44
  4. Step 4: Simplify right side
    740,981.06x = 421,908,936,757.02
  5. Step 5: Solve for x
    x = 421,908,936,757.02/740,981.06
  6. Step 6: Final answer
    x = 569,392.34

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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.