Home / 912,370.15-1,259,048.37-504,461.54

Finding the Fourth Proportional to 912,370.15, 1,259,048.37 and 504,461.54

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Solution

The fourth proportional to 912,370.15, 1,259,048.37 and 504,461.54 is: 696,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,370.15 : 1,259,048.37 = 504,461.54 : x
  2. Step 2: Convert to fraction form
    912,370.15/1,259,048.37 = 504,461.54/x
  3. Step 3: Cross multiply
    912,370.15x = 1,259,048.37 × 504,461.54
  4. Step 4: Simplify right side
    912,370.15x = 635,141,479,505.73
  5. Step 5: Solve for x
    x = 635,141,479,505.73/912,370.15
  6. Step 6: Final answer
    x = 696,144.52

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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.