Home / 822,297.68-1,233,656.75-316,722.97

Finding the Fourth Proportional to 822,297.68, 1,233,656.75 and 316,722.97

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Solution

The fourth proportional to 822,297.68, 1,233,656.75 and 316,722.97 is: 475,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,297.68 : 1,233,656.75 = 316,722.97 : x
  2. Step 2: Convert to fraction form
    822,297.68/1,233,656.75 = 316,722.97/x
  3. Step 3: Cross multiply
    822,297.68x = 1,233,656.75 × 316,722.97
  4. Step 4: Simplify right side
    822,297.68x = 390,727,425,152.79
  5. Step 5: Solve for x
    x = 390,727,425,152.79/822,297.68
  6. Step 6: Final answer
    x = 475,165.42

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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.