Home / 669,344.04-923,061.69-439,495.88

Finding the Fourth Proportional to 669,344.04, 923,061.69 and 439,495.88

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Solution

The fourth proportional to 669,344.04, 923,061.69 and 439,495.88 is: 606,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,344.04 : 923,061.69 = 439,495.88 : x
  2. Step 2: Convert to fraction form
    669,344.04/923,061.69 = 439,495.88/x
  3. Step 3: Cross multiply
    669,344.04x = 923,061.69 × 439,495.88
  4. Step 4: Simplify right side
    669,344.04x = 405,681,805,125.53
  5. Step 5: Solve for x
    x = 405,681,805,125.53/669,344.04
  6. Step 6: Final answer
    x = 606,088.62

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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.