Home / 1,769,113.20-2,653,669.80-439,417.20

Finding the Fourth Proportional to 1,769,113.20, 2,653,669.80 and 439,417.20

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Solution

The fourth proportional to 1,769,113.20, 2,653,669.80 and 439,417.20 is: 659,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,113.20 : 2,653,669.80 = 439,417.20 : x
  2. Step 2: Convert to fraction form
    1,769,113.20/2,653,669.80 = 439,417.20/x
  3. Step 3: Cross multiply
    1,769,113.20x = 2,653,669.80 × 439,417.20
  4. Step 4: Simplify right side
    1,769,113.20x = 1,166,068,153,240.56
  5. Step 5: Solve for x
    x = 1,166,068,153,240.56/1,769,113.20
  6. Step 6: Final answer
    x = 659,125.80

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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.