Home / 628,966.80-943,565.40-255,027.60

Finding the Fourth Proportional to 628,966.80, 943,565.40 and 255,027.60

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Solution

The fourth proportional to 628,966.80, 943,565.40 and 255,027.60 is: 382,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,966.80 : 943,565.40 = 255,027.60 : x
  2. Step 2: Convert to fraction form
    628,966.80/943,565.40 = 255,027.60/x
  3. Step 3: Cross multiply
    628,966.80x = 943,565.40 × 255,027.60
  4. Step 4: Simplify right side
    628,966.80x = 240,635,219,405.04
  5. Step 5: Solve for x
    x = 240,635,219,405.04/628,966.80
  6. Step 6: Final answer
    x = 382,588.11

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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.