Home / 1,009,930.50-1,393,733.25-557,250.66

Finding the Fourth Proportional to 1,009,930.50, 1,393,733.25 and 557,250.66

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Solution

The fourth proportional to 1,009,930.50, 1,393,733.25 and 557,250.66 is: 769,022.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,930.50 : 1,393,733.25 = 557,250.66 : x
  2. Step 2: Convert to fraction form
    1,009,930.50/1,393,733.25 = 557,250.66/x
  3. Step 3: Cross multiply
    1,009,930.50x = 1,393,733.25 × 557,250.66
  4. Step 4: Simplify right side
    1,009,930.50x = 776,658,773,426.45
  5. Step 5: Solve for x
    x = 776,658,773,426.45/1,009,930.50
  6. Step 6: Final answer
    x = 769,022.00

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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.