Home / 1,131,278.48-1,561,071.96-666,058.92

Finding the Fourth Proportional to 1,131,278.48, 1,561,071.96 and 666,058.92

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Solution

The fourth proportional to 1,131,278.48, 1,561,071.96 and 666,058.92 is: 919,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,278.48 : 1,561,071.96 = 666,058.92 : x
  2. Step 2: Convert to fraction form
    1,131,278.48/1,561,071.96 = 666,058.92/x
  3. Step 3: Cross multiply
    1,131,278.48x = 1,561,071.96 × 666,058.92
  4. Step 4: Simplify right side
    1,131,278.48x = 1,039,765,903,719.88
  5. Step 5: Solve for x
    x = 1,039,765,903,719.88/1,131,278.48
  6. Step 6: Final answer
    x = 919,106.94

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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.