Home / 688,598.64-1,031,963.88-332,904.24

Finding the Fourth Proportional to 688,598.64, 1,031,963.88 and 332,904.24

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Solution

The fourth proportional to 688,598.64, 1,031,963.88 and 332,904.24 is: 498,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,598.64 : 1,031,963.88 = 332,904.24 : x
  2. Step 2: Convert to fraction form
    688,598.64/1,031,963.88 = 332,904.24/x
  3. Step 3: Cross multiply
    688,598.64x = 1,031,963.88 × 332,904.24
  4. Step 4: Simplify right side
    688,598.64x = 343,545,151,178.85
  5. Step 5: Solve for x
    x = 343,545,151,178.85/688,598.64
  6. Step 6: Final answer
    x = 498,904.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.