Home / 669,331.15-923,671.59-363,401.47

Finding the Fourth Proportional to 669,331.15, 923,671.59 and 363,401.47

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Solution

The fourth proportional to 669,331.15, 923,671.59 and 363,401.47 is: 501,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,331.15 : 923,671.59 = 363,401.47 : x
  2. Step 2: Convert to fraction form
    669,331.15/923,671.59 = 363,401.47/x
  3. Step 3: Cross multiply
    669,331.15x = 923,671.59 × 363,401.47
  4. Step 4: Simplify right side
    669,331.15x = 335,663,613,603.24
  5. Step 5: Solve for x
    x = 335,663,613,603.24/669,331.15
  6. Step 6: Final answer
    x = 501,491.10

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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.