Home / 1,086,661.80-1,630,211.40-376,542.90

Finding the Fourth Proportional to 1,086,661.80, 1,630,211.40 and 376,542.90

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Solution

The fourth proportional to 1,086,661.80, 1,630,211.40 and 376,542.90 is: 564,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,661.80 : 1,630,211.40 = 376,542.90 : x
  2. Step 2: Convert to fraction form
    1,086,661.80/1,630,211.40 = 376,542.90/x
  3. Step 3: Cross multiply
    1,086,661.80x = 1,630,211.40 × 376,542.90
  4. Step 4: Simplify right side
    1,086,661.80x = 613,844,528,169.06
  5. Step 5: Solve for x
    x = 613,844,528,169.06/1,086,661.80
  6. Step 6: Final answer
    x = 564,890.13

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Double scale
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1.5x scale

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.