Home / 1,586,000.42-2,188,682.80-860,848.30

Finding the Fourth Proportional to 1,586,000.42, 2,188,682.80 and 860,848.30

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Solution

The fourth proportional to 1,586,000.42, 2,188,682.80 and 860,848.30 is: 1,187,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,000.42 : 2,188,682.80 = 860,848.30 : x
  2. Step 2: Convert to fraction form
    1,586,000.42/2,188,682.80 = 860,848.30/x
  3. Step 3: Cross multiply
    1,586,000.42x = 2,188,682.80 × 860,848.30
  4. Step 4: Simplify right side
    1,586,000.42x = 1,884,123,867,619.24
  5. Step 5: Solve for x
    x = 1,884,123,867,619.24/1,586,000.42
  6. Step 6: Final answer
    x = 1,187,971.86

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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.