Home / 855,567.90-1,283,351.85-715,599.90

Finding the Fourth Proportional to 855,567.90, 1,283,351.85 and 715,599.90

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Solution

The fourth proportional to 855,567.90, 1,283,351.85 and 715,599.90 is: 1,073,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,567.90 : 1,283,351.85 = 715,599.90 : x
  2. Step 2: Convert to fraction form
    855,567.90/1,283,351.85 = 715,599.90/x
  3. Step 3: Cross multiply
    855,567.90x = 1,283,351.85 × 715,599.90
  4. Step 4: Simplify right side
    855,567.90x = 918,366,455,524.82
  5. Step 5: Solve for x
    x = 918,366,455,524.82/855,567.90
  6. Step 6: Final answer
    x = 1,073,399.85

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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.