Home / 781,239.33-1,170,519.66-524,590.83

Finding the Fourth Proportional to 781,239.33, 1,170,519.66 and 524,590.83

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Solution

The fourth proportional to 781,239.33, 1,170,519.66 and 524,590.83 is: 785,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,239.33 : 1,170,519.66 = 524,590.83 : x
  2. Step 2: Convert to fraction form
    781,239.33/1,170,519.66 = 524,590.83/x
  3. Step 3: Cross multiply
    781,239.33x = 1,170,519.66 × 524,590.83
  4. Step 4: Simplify right side
    781,239.33x = 614,043,879,970.72
  5. Step 5: Solve for x
    x = 614,043,879,970.72/781,239.33
  6. Step 6: Final answer
    x = 785,986.90

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1.5x scale

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.