Home / 718,134.34-1,076,921.22-313,450.32

Finding the Fourth Proportional to 718,134.34, 1,076,921.22 and 313,450.32

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Solution

The fourth proportional to 718,134.34, 1,076,921.22 and 313,450.32 is: 470,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,134.34 : 1,076,921.22 = 313,450.32 : x
  2. Step 2: Convert to fraction form
    718,134.34/1,076,921.22 = 313,450.32/x
  3. Step 3: Cross multiply
    718,134.34x = 1,076,921.22 × 313,450.32
  4. Step 4: Simplify right side
    718,134.34x = 337,561,301,023.79
  5. Step 5: Solve for x
    x = 337,561,301,023.79/718,134.34
  6. Step 6: Final answer
    x = 470,053.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.