Home / 814,180.61-1,221,274.06-340,533.72

Finding the Fourth Proportional to 814,180.61, 1,221,274.06 and 340,533.72

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Solution

The fourth proportional to 814,180.61, 1,221,274.06 and 340,533.72 is: 510,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,180.61 : 1,221,274.06 = 340,533.72 : x
  2. Step 2: Convert to fraction form
    814,180.61/1,221,274.06 = 340,533.72/x
  3. Step 3: Cross multiply
    814,180.61x = 1,221,274.06 × 340,533.72
  4. Step 4: Simplify right side
    814,180.61x = 415,884,997,939.97
  5. Step 5: Solve for x
    x = 415,884,997,939.97/814,180.61
  6. Step 6: Final answer
    x = 510,801.89

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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.