Home / 304,811.60-457,217.40-127,259.60

Finding the Fourth Proportional to 304,811.60, 457,217.40 and 127,259.60

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Solution

The fourth proportional to 304,811.60, 457,217.40 and 127,259.60 is: 190,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,811.60 : 457,217.40 = 127,259.60 : x
  2. Step 2: Convert to fraction form
    304,811.60/457,217.40 = 127,259.60/x
  3. Step 3: Cross multiply
    304,811.60x = 457,217.40 × 127,259.60
  4. Step 4: Simplify right side
    304,811.60x = 58,185,303,437.04
  5. Step 5: Solve for x
    x = 58,185,303,437.04/304,811.60
  6. Step 6: Final answer
    x = 190,889.40

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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.