Home / 1,586,000.81-2,188,622.45-860,833.10

Finding the Fourth Proportional to 1,586,000.81, 2,188,622.45 and 860,833.10

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Solution

The fourth proportional to 1,586,000.81, 2,188,622.45 and 860,833.10 is: 1,187,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,000.81 : 2,188,622.45 = 860,833.10 : x
  2. Step 2: Convert to fraction form
    1,586,000.81/2,188,622.45 = 860,833.10/x
  3. Step 3: Cross multiply
    1,586,000.81x = 2,188,622.45 × 860,833.10
  4. Step 4: Simplify right side
    1,586,000.81x = 1,884,038,648,363.10
  5. Step 5: Solve for x
    x = 1,884,038,648,363.10/1,586,000.81
  6. Step 6: Final answer
    x = 1,187,917.83

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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.