Home / 669,222.16-923,429.17-382,686.88

Finding the Fourth Proportional to 669,222.16, 923,429.17 and 382,686.88

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Solution

The fourth proportional to 669,222.16, 923,429.17 and 382,686.88 is: 528,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,222.16 : 923,429.17 = 382,686.88 : x
  2. Step 2: Convert to fraction form
    669,222.16/923,429.17 = 382,686.88/x
  3. Step 3: Cross multiply
    669,222.16x = 923,429.17 × 382,686.88
  4. Step 4: Simplify right side
    669,222.16x = 353,384,227,968.29
  5. Step 5: Solve for x
    x = 353,384,227,968.29/669,222.16
  6. Step 6: Final answer
    x = 528,052.19

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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.