Home / 589,017.21-812,822.42-359,957.72

Finding the Fourth Proportional to 589,017.21, 812,822.42 and 359,957.72

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Solution

The fourth proportional to 589,017.21, 812,822.42 and 359,957.72 is: 496,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,017.21 : 812,822.42 = 359,957.72 : x
  2. Step 2: Convert to fraction form
    589,017.21/812,822.42 = 359,957.72/x
  3. Step 3: Cross multiply
    589,017.21x = 812,822.42 × 359,957.72
  4. Step 4: Simplify right side
    589,017.21x = 292,581,699,204.18
  5. Step 5: Solve for x
    x = 292,581,699,204.18/589,017.21
  6. Step 6: Final answer
    x = 496,728.61

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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.