Home / 950,939.35-1,312,293.54-521,218.15

Finding the Fourth Proportional to 950,939.35, 1,312,293.54 and 521,218.15

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Solution

The fourth proportional to 950,939.35, 1,312,293.54 and 521,218.15 is: 719,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,939.35 : 1,312,293.54 = 521,218.15 : x
  2. Step 2: Convert to fraction form
    950,939.35/1,312,293.54 = 521,218.15/x
  3. Step 3: Cross multiply
    950,939.35x = 1,312,293.54 × 521,218.15
  4. Step 4: Simplify right side
    950,939.35x = 683,991,211,175.75
  5. Step 5: Solve for x
    x = 683,991,211,175.75/950,939.35
  6. Step 6: Final answer
    x = 719,279.53

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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.