Home / 1,264,580.80-1,896,488.88-665,211.58

Finding the Fourth Proportional to 1,264,580.80, 1,896,488.88 and 665,211.58

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Solution

The fourth proportional to 1,264,580.80, 1,896,488.88 and 665,211.58 is: 997,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,580.80 : 1,896,488.88 = 665,211.58 : x
  2. Step 2: Convert to fraction form
    1,264,580.80/1,896,488.88 = 665,211.58/x
  3. Step 3: Cross multiply
    1,264,580.80x = 1,896,488.88 × 665,211.58
  4. Step 4: Simplify right side
    1,264,580.80x = 1,261,566,364,317.23
  5. Step 5: Solve for x
    x = 1,261,566,364,317.23/1,264,580.80
  6. Step 6: Final answer
    x = 997,616.26

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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.