Home / 669,219.15-923,424.94-382,683.88

Finding the Fourth Proportional to 669,219.15, 923,424.94 and 382,683.88

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Solution

The fourth proportional to 669,219.15, 923,424.94 and 382,683.88 is: 528,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,219.15 : 923,424.94 = 382,683.88 : x
  2. Step 2: Convert to fraction form
    669,219.15/923,424.94 = 382,683.88/x
  3. Step 3: Cross multiply
    669,219.15x = 923,424.94 × 382,683.88
  4. Step 4: Simplify right side
    669,219.15x = 353,379,838,927.97
  5. Step 5: Solve for x
    x = 353,379,838,927.97/669,219.15
  6. Step 6: Final answer
    x = 528,048.01

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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.