Home / 817,754.54-1,226,681.01-256,789.04

Finding the Fourth Proportional to 817,754.54, 1,226,681.01 and 256,789.04

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Solution

The fourth proportional to 817,754.54, 1,226,681.01 and 256,789.04 is: 385,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,754.54 : 1,226,681.01 = 256,789.04 : x
  2. Step 2: Convert to fraction form
    817,754.54/1,226,681.01 = 256,789.04/x
  3. Step 3: Cross multiply
    817,754.54x = 1,226,681.01 × 256,789.04
  4. Step 4: Simplify right side
    817,754.54x = 314,998,232,810.73
  5. Step 5: Solve for x
    x = 314,998,232,810.73/817,754.54
  6. Step 6: Final answer
    x = 385,199.00

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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.