Home / 1,140,815.92-1,574,326.44-624,603.28

Finding the Fourth Proportional to 1,140,815.92, 1,574,326.44 and 624,603.28

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Solution

The fourth proportional to 1,140,815.92, 1,574,326.44 and 624,603.28 is: 861,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,815.92 : 1,574,326.44 = 624,603.28 : x
  2. Step 2: Convert to fraction form
    1,140,815.92/1,574,326.44 = 624,603.28/x
  3. Step 3: Cross multiply
    1,140,815.92x = 1,574,326.44 × 624,603.28
  4. Step 4: Simplify right side
    1,140,815.92x = 983,329,458,214.72
  5. Step 5: Solve for x
    x = 983,329,458,214.72/1,140,815.92
  6. Step 6: Final answer
    x = 861,952.78

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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.