Home / 1,049,768.90-1,574,653.35-419,135.30

Finding the Fourth Proportional to 1,049,768.90, 1,574,653.35 and 419,135.30

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Solution

The fourth proportional to 1,049,768.90, 1,574,653.35 and 419,135.30 is: 628,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,768.90 : 1,574,653.35 = 419,135.30 : x
  2. Step 2: Convert to fraction form
    1,049,768.90/1,574,653.35 = 419,135.30/x
  3. Step 3: Cross multiply
    1,049,768.90x = 1,574,653.35 × 419,135.30
  4. Step 4: Simplify right side
    1,049,768.90x = 659,992,804,248.26
  5. Step 5: Solve for x
    x = 659,992,804,248.26/1,049,768.90
  6. Step 6: Final answer
    x = 628,702.95

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Double scale
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Similar ratio
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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.