Home / 668,932.32-923,127.23-382,458.41

Finding the Fourth Proportional to 668,932.32, 923,127.23 and 382,458.41

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Solution

The fourth proportional to 668,932.32, 923,127.23 and 382,458.41 is: 527,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,932.32 : 923,127.23 = 382,458.41 : x
  2. Step 2: Convert to fraction form
    668,932.32/923,127.23 = 382,458.41/x
  3. Step 3: Cross multiply
    668,932.32x = 923,127.23 × 382,458.41
  4. Step 4: Simplify right side
    668,932.32x = 353,057,772,415.74
  5. Step 5: Solve for x
    x = 353,057,772,415.74/668,932.32
  6. Step 6: Final answer
    x = 527,792.96

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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.