Home / 845,161.90-1,166,327.85-457,977.47

Finding the Fourth Proportional to 845,161.90, 1,166,327.85 and 457,977.47

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Solution

The fourth proportional to 845,161.90, 1,166,327.85 and 457,977.47 is: 632,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,161.90 : 1,166,327.85 = 457,977.47 : x
  2. Step 2: Convert to fraction form
    845,161.90/1,166,327.85 = 457,977.47/x
  3. Step 3: Cross multiply
    845,161.90x = 1,166,327.85 × 457,977.47
  4. Step 4: Simplify right side
    845,161.90x = 534,151,877,933.54
  5. Step 5: Solve for x
    x = 534,151,877,933.54/845,161.90
  6. Step 6: Final answer
    x = 632,011.31

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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.