Home / 619,845.41-930,127.15-259,984.28

Finding the Fourth Proportional to 619,845.41, 930,127.15 and 259,984.28

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Solution

The fourth proportional to 619,845.41, 930,127.15 and 259,984.28 is: 390,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,845.41 : 930,127.15 = 259,984.28 : x
  2. Step 2: Convert to fraction form
    619,845.41/930,127.15 = 259,984.28/x
  3. Step 3: Cross multiply
    619,845.41x = 930,127.15 × 259,984.28
  4. Step 4: Simplify right side
    619,845.41x = 241,818,440,051.50
  5. Step 5: Solve for x
    x = 241,818,440,051.50/619,845.41
  6. Step 6: Final answer
    x = 390,127.01

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Double scale
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Similar ratio
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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.