Home / 845,742.94-1,167,178.42-463,769.72

Finding the Fourth Proportional to 845,742.94, 1,167,178.42 and 463,769.72

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Solution

The fourth proportional to 845,742.94, 1,167,178.42 and 463,769.72 is: 640,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,742.94 : 1,167,178.42 = 463,769.72 : x
  2. Step 2: Convert to fraction form
    845,742.94/1,167,178.42 = 463,769.72/x
  3. Step 3: Cross multiply
    845,742.94x = 1,167,178.42 × 463,769.72
  4. Step 4: Simplify right side
    845,742.94x = 541,302,009,033.44
  5. Step 5: Solve for x
    x = 541,302,009,033.44/845,742.94
  6. Step 6: Final answer
    x = 640,031.37

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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.