Home / 929,058.21-1,282,098.23-515,658.32

Finding the Fourth Proportional to 929,058.21, 1,282,098.23 and 515,658.32

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Solution

The fourth proportional to 929,058.21, 1,282,098.23 and 515,658.32 is: 711,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,058.21 : 1,282,098.23 = 515,658.32 : x
  2. Step 2: Convert to fraction form
    929,058.21/1,282,098.23 = 515,658.32/x
  3. Step 3: Cross multiply
    929,058.21x = 1,282,098.23 × 515,658.32
  4. Step 4: Simplify right side
    929,058.21x = 661,124,610,367.99
  5. Step 5: Solve for x
    x = 661,124,610,367.99/929,058.21
  6. Step 6: Final answer
    x = 711,607.31

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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.