Home / 1,330,606.20-1,995,909.30-572,810.70

Finding the Fourth Proportional to 1,330,606.20, 1,995,909.30 and 572,810.70

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Solution

The fourth proportional to 1,330,606.20, 1,995,909.30 and 572,810.70 is: 859,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,606.20 : 1,995,909.30 = 572,810.70 : x
  2. Step 2: Convert to fraction form
    1,330,606.20/1,995,909.30 = 572,810.70/x
  3. Step 3: Cross multiply
    1,330,606.20x = 1,995,909.30 × 572,810.70
  4. Step 4: Simplify right side
    1,330,606.20x = 1,143,278,203,269.51
  5. Step 5: Solve for x
    x = 1,143,278,203,269.51/1,330,606.20
  6. Step 6: Final answer
    x = 859,216.05

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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.