Home / 1,580,858.85-2,181,590.67-855,706.38

Finding the Fourth Proportional to 1,580,858.85, 2,181,590.67 and 855,706.38

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Solution

The fourth proportional to 1,580,858.85, 2,181,590.67 and 855,706.38 is: 1,180,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,858.85 : 2,181,590.67 = 855,706.38 : x
  2. Step 2: Convert to fraction form
    1,580,858.85/2,181,590.67 = 855,706.38/x
  3. Step 3: Cross multiply
    1,580,858.85x = 2,181,590.67 × 855,706.38
  4. Step 4: Simplify right side
    1,580,858.85x = 1,866,801,045,082.06
  5. Step 5: Solve for x
    x = 1,866,801,045,082.06/1,580,858.85
  6. Step 6: Final answer
    x = 1,180,877.75

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1.5x scale

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.