Home / 1,307,062.85-1,960,595.81-408,509.29

Finding the Fourth Proportional to 1,307,062.85, 1,960,595.81 and 408,509.29

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Solution

The fourth proportional to 1,307,062.85, 1,960,595.81 and 408,509.29 is: 612,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,062.85 : 1,960,595.81 = 408,509.29 : x
  2. Step 2: Convert to fraction form
    1,307,062.85/1,960,595.81 = 408,509.29/x
  3. Step 3: Cross multiply
    1,307,062.85x = 1,960,595.81 × 408,509.29
  4. Step 4: Simplify right side
    1,307,062.85x = 800,921,604,260.18
  5. Step 5: Solve for x
    x = 800,921,604,260.18/1,307,062.85
  6. Step 6: Final answer
    x = 612,764.42

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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.