Home / 734,491.58-1,013,618.48-412,221.65

Finding the Fourth Proportional to 734,491.58, 1,013,618.48 and 412,221.65

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Solution

The fourth proportional to 734,491.58, 1,013,618.48 and 412,221.65 is: 568,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,491.58 : 1,013,618.48 = 412,221.65 : x
  2. Step 2: Convert to fraction form
    734,491.58/1,013,618.48 = 412,221.65/x
  3. Step 3: Cross multiply
    734,491.58x = 1,013,618.48 × 412,221.65
  4. Step 4: Simplify right side
    734,491.58x = 417,835,475,166.89
  5. Step 5: Solve for x
    x = 417,835,475,166.89/734,491.58
  6. Step 6: Final answer
    x = 568,877.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.