Home / 934,783.38-1,291,065.12-628,327.71

Finding the Fourth Proportional to 934,783.38, 1,291,065.12 and 628,327.71

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Solution

The fourth proportional to 934,783.38, 1,291,065.12 and 628,327.71 is: 867,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,783.38 : 1,291,065.12 = 628,327.71 : x
  2. Step 2: Convert to fraction form
    934,783.38/1,291,065.12 = 628,327.71/x
  3. Step 3: Cross multiply
    934,783.38x = 1,291,065.12 × 628,327.71
  4. Step 4: Simplify right side
    934,783.38x = 811,211,990,310.48
  5. Step 5: Solve for x
    x = 811,211,990,310.48/934,783.38
  6. Step 6: Final answer
    x = 867,807.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.