Home / 415,844.48-623,449.56-344,548.28

Finding the Fourth Proportional to 415,844.48, 623,449.56 and 344,548.28

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Solution

The fourth proportional to 415,844.48, 623,449.56 and 344,548.28 is: 516,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,844.48 : 623,449.56 = 344,548.28 : x
  2. Step 2: Convert to fraction form
    415,844.48/623,449.56 = 344,548.28/x
  3. Step 3: Cross multiply
    415,844.48x = 623,449.56 × 344,548.28
  4. Step 4: Simplify right side
    415,844.48x = 214,808,473,564.76
  5. Step 5: Solve for x
    x = 214,808,473,564.76/415,844.48
  6. Step 6: Final answer
    x = 516,559.64

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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.