Home / 1,586,136.25-2,188,853.08-860,968.45

Finding the Fourth Proportional to 1,586,136.25, 2,188,853.08 and 860,968.45

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Solution

The fourth proportional to 1,586,136.25, 2,188,853.08 and 860,968.45 is: 1,188,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,136.25 : 2,188,853.08 = 860,968.45 : x
  2. Step 2: Convert to fraction form
    1,586,136.25/2,188,853.08 = 860,968.45/x
  3. Step 3: Cross multiply
    1,586,136.25x = 2,188,853.08 × 860,968.45
  4. Step 4: Simplify right side
    1,586,136.25x = 1,884,533,443,565.33
  5. Step 5: Solve for x
    x = 1,884,533,443,565.33/1,586,136.25
  6. Step 6: Final answer
    x = 1,188,128.35

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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.