Home / 1,583,907.45-2,185,807.91-858,753.21

Finding the Fourth Proportional to 1,583,907.45, 2,185,807.91 and 858,753.21

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Solution

The fourth proportional to 1,583,907.45, 2,185,807.91 and 858,753.21 is: 1,185,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,907.45 : 2,185,807.91 = 858,753.21 : x
  2. Step 2: Convert to fraction form
    1,583,907.45/2,185,807.91 = 858,753.21/x
  3. Step 3: Cross multiply
    1,583,907.45x = 2,185,807.91 × 858,753.21
  4. Step 4: Simplify right side
    1,583,907.45x = 1,877,069,554,862.12
  5. Step 5: Solve for x
    x = 1,877,069,554,862.12/1,583,907.45
  6. Step 6: Final answer
    x = 1,185,087.90

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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.