Home / 916,371.28-1,374,004.68-410,840.74

Finding the Fourth Proportional to 916,371.28, 1,374,004.68 and 410,840.74

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Solution

The fourth proportional to 916,371.28, 1,374,004.68 and 410,840.74 is: 616,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,371.28 : 1,374,004.68 = 410,840.74 : x
  2. Step 2: Convert to fraction form
    916,371.28/1,374,004.68 = 410,840.74/x
  3. Step 3: Cross multiply
    916,371.28x = 1,374,004.68 × 410,840.74
  4. Step 4: Simplify right side
    916,371.28x = 564,497,099,494.66
  5. Step 5: Solve for x
    x = 564,497,099,494.66/916,371.28
  6. Step 6: Final answer
    x = 616,013.52

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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.