Home / 1,569,191.64-2,165,420.70-890,113.56

Finding the Fourth Proportional to 1,569,191.64, 2,165,420.70 and 890,113.56

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Solution

The fourth proportional to 1,569,191.64, 2,165,420.70 and 890,113.56 is: 1,228,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,191.64 : 2,165,420.70 = 890,113.56 : x
  2. Step 2: Convert to fraction form
    1,569,191.64/2,165,420.70 = 890,113.56/x
  3. Step 3: Cross multiply
    1,569,191.64x = 2,165,420.70 × 890,113.56
  4. Step 4: Simplify right side
    1,569,191.64x = 1,927,470,328,174.69
  5. Step 5: Solve for x
    x = 1,927,470,328,174.69/1,569,191.64
  6. Step 6: Final answer
    x = 1,228,320.54

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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.