Home / 845,476.30-1,166,754.83-463,503.38

Finding the Fourth Proportional to 845,476.30, 1,166,754.83 and 463,503.38

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Solution

The fourth proportional to 845,476.30, 1,166,754.83 and 463,503.38 is: 639,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,476.30 : 1,166,754.83 = 463,503.38 : x
  2. Step 2: Convert to fraction form
    845,476.30/1,166,754.83 = 463,503.38/x
  3. Step 3: Cross multiply
    845,476.30x = 1,166,754.83 × 463,503.38
  4. Step 4: Simplify right side
    845,476.30x = 540,794,811,411.97
  5. Step 5: Solve for x
    x = 540,794,811,411.97/845,476.30
  6. Step 6: Final answer
    x = 639,633.32

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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.