Home / 1,569,343.80-2,354,015.70-432,103.80

Finding the Fourth Proportional to 1,569,343.80, 2,354,015.70 and 432,103.80

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Solution

The fourth proportional to 1,569,343.80, 2,354,015.70 and 432,103.80 is: 648,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,343.80 : 2,354,015.70 = 432,103.80 : x
  2. Step 2: Convert to fraction form
    1,569,343.80/2,354,015.70 = 432,103.80/x
  3. Step 3: Cross multiply
    1,569,343.80x = 2,354,015.70 × 432,103.80
  4. Step 4: Simplify right side
    1,569,343.80x = 1,017,179,129,229.66
  5. Step 5: Solve for x
    x = 1,017,179,129,229.66/1,569,343.80
  6. Step 6: Final answer
    x = 648,155.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.