Home / 694,557.40-1,040,280.90-570,141.40

Finding the Fourth Proportional to 694,557.40, 1,040,280.90 and 570,141.40

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Solution

The fourth proportional to 694,557.40, 1,040,280.90 and 570,141.40 is: 853,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,557.40 : 1,040,280.90 = 570,141.40 : x
  2. Step 2: Convert to fraction form
    694,557.40/1,040,280.90 = 570,141.40/x
  3. Step 3: Cross multiply
    694,557.40x = 1,040,280.90 × 570,141.40
  4. Step 4: Simplify right side
    694,557.40x = 593,107,208,719.26
  5. Step 5: Solve for x
    x = 593,107,208,719.26/694,557.40
  6. Step 6: Final answer
    x = 853,935.48

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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.