Home / 911,218.19-1,257,475.10-503,346.33

Finding the Fourth Proportional to 911,218.19, 1,257,475.10 and 503,346.33

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Solution

The fourth proportional to 911,218.19, 1,257,475.10 and 503,346.33 is: 694,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,218.19 : 1,257,475.10 = 503,346.33 : x
  2. Step 2: Convert to fraction form
    911,218.19/1,257,475.10 = 503,346.33/x
  3. Step 3: Cross multiply
    911,218.19x = 1,257,475.10 × 503,346.33
  4. Step 4: Simplify right side
    911,218.19x = 632,945,474,134.65
  5. Step 5: Solve for x
    x = 632,945,474,134.65/911,218.19
  6. Step 6: Final answer
    x = 694,614.62

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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.