Home / 852,061.65-1,175,634.87-520,832.76

Finding the Fourth Proportional to 852,061.65, 1,175,634.87 and 520,832.76

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Solution

The fourth proportional to 852,061.65, 1,175,634.87 and 520,832.76 is: 718,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,061.65 : 1,175,634.87 = 520,832.76 : x
  2. Step 2: Convert to fraction form
    852,061.65/1,175,634.87 = 520,832.76/x
  3. Step 3: Cross multiply
    852,061.65x = 1,175,634.87 × 520,832.76
  4. Step 4: Simplify right side
    852,061.65x = 612,309,154,094.34
  5. Step 5: Solve for x
    x = 612,309,154,094.34/852,061.65
  6. Step 6: Final answer
    x = 718,620.72

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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.