Home / 912,535.72-1,259,307.30-504,664.68

Finding the Fourth Proportional to 912,535.72, 1,259,307.30 and 504,664.68

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Solution

The fourth proportional to 912,535.72, 1,259,307.30 and 504,664.68 is: 696,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,535.72 : 1,259,307.30 = 504,664.68 : x
  2. Step 2: Convert to fraction form
    912,535.72/1,259,307.30 = 504,664.68/x
  3. Step 3: Cross multiply
    912,535.72x = 1,259,307.30 × 504,664.68
  4. Step 4: Simplify right side
    912,535.72x = 635,527,915,576.16
  5. Step 5: Solve for x
    x = 635,527,915,576.16/912,535.72
  6. Step 6: Final answer
    x = 696,441.69

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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.