Home / 611,325.77-843,458.87-382,116.35

Finding the Fourth Proportional to 611,325.77, 843,458.87 and 382,116.35

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Solution

The fourth proportional to 611,325.77, 843,458.87 and 382,116.35 is: 527,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,325.77 : 843,458.87 = 382,116.35 : x
  2. Step 2: Convert to fraction form
    611,325.77/843,458.87 = 382,116.35/x
  3. Step 3: Cross multiply
    611,325.77x = 843,458.87 × 382,116.35
  4. Step 4: Simplify right side
    611,325.77x = 322,299,427,843.46
  5. Step 5: Solve for x
    x = 322,299,427,843.46/611,325.77
  6. Step 6: Final answer
    x = 527,213.88

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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.