Home / 668,932.83-923,127.93-382,458.91

Finding the Fourth Proportional to 668,932.83, 923,127.93 and 382,458.91

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Solution

The fourth proportional to 668,932.83, 923,127.93 and 382,458.91 is: 527,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,932.83 : 923,127.93 = 382,458.91 : x
  2. Step 2: Convert to fraction form
    668,932.83/923,127.93 = 382,458.91/x
  3. Step 3: Cross multiply
    668,932.83x = 923,127.93 × 382,458.91
  4. Step 4: Simplify right side
    668,932.83x = 353,058,499,986.06
  5. Step 5: Solve for x
    x = 353,058,499,986.06/668,932.83
  6. Step 6: Final answer
    x = 527,793.65

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1.5x scale

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.