Home / 448,786.60-619,383.08-257,836.90

Finding the Fourth Proportional to 448,786.60, 619,383.08 and 257,836.90

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Solution

The fourth proportional to 448,786.60, 619,383.08 and 257,836.90 is: 355,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,786.60 : 619,383.08 = 257,836.90 : x
  2. Step 2: Convert to fraction form
    448,786.60/619,383.08 = 257,836.90/x
  3. Step 3: Cross multiply
    448,786.60x = 619,383.08 × 257,836.90
  4. Step 4: Simplify right side
    448,786.60x = 159,699,813,259.65
  5. Step 5: Solve for x
    x = 159,699,813,259.65/448,786.60
  6. Step 6: Final answer
    x = 355,848.00

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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.