Home / 845,299.63-1,166,633.10-523,113.49

Finding the Fourth Proportional to 845,299.63, 1,166,633.10 and 523,113.49

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Solution

The fourth proportional to 845,299.63, 1,166,633.10 and 523,113.49 is: 721,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,299.63 : 1,166,633.10 = 523,113.49 : x
  2. Step 2: Convert to fraction form
    845,299.63/1,166,633.10 = 523,113.49/x
  3. Step 3: Cross multiply
    845,299.63x = 1,166,633.10 × 523,113.49
  4. Step 4: Simplify right side
    845,299.63x = 610,281,512,490.52
  5. Step 5: Solve for x
    x = 610,281,512,490.52/845,299.63
  6. Step 6: Final answer
    x = 721,970.64

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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.