Home / 912,486.86-1,259,240.10-504,616.34

Finding the Fourth Proportional to 912,486.86, 1,259,240.10 and 504,616.34

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Solution

The fourth proportional to 912,486.86, 1,259,240.10 and 504,616.34 is: 696,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,486.86 : 1,259,240.10 = 504,616.34 : x
  2. Step 2: Convert to fraction form
    912,486.86/1,259,240.10 = 504,616.34/x
  3. Step 3: Cross multiply
    912,486.86x = 1,259,240.10 × 504,616.34
  4. Step 4: Simplify right side
    912,486.86x = 635,433,130,443.23
  5. Step 5: Solve for x
    x = 635,433,130,443.23/912,486.86
  6. Step 6: Final answer
    x = 696,375.10

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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.