Home / 950,261.34-1,311,360.88-520,556.74

Finding the Fourth Proportional to 950,261.34, 1,311,360.88 and 520,556.74

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Solution

The fourth proportional to 950,261.34, 1,311,360.88 and 520,556.74 is: 718,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,261.34 : 1,311,360.88 = 520,556.74 : x
  2. Step 2: Convert to fraction form
    950,261.34/1,311,360.88 = 520,556.74/x
  3. Step 3: Cross multiply
    950,261.34x = 1,311,360.88 × 520,556.74
  4. Step 4: Simplify right side
    950,261.34x = 682,637,742,053.55
  5. Step 5: Solve for x
    x = 682,637,742,053.55/950,261.34
  6. Step 6: Final answer
    x = 718,368.43

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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.