Home / 529,341.24-730,408.68-314,475.78

Finding the Fourth Proportional to 529,341.24, 730,408.68 and 314,475.78

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Solution

The fourth proportional to 529,341.24, 730,408.68 and 314,475.78 is: 433,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,341.24 : 730,408.68 = 314,475.78 : x
  2. Step 2: Convert to fraction form
    529,341.24/730,408.68 = 314,475.78/x
  3. Step 3: Cross multiply
    529,341.24x = 730,408.68 × 314,475.78
  4. Step 4: Simplify right side
    529,341.24x = 229,695,839,361.77
  5. Step 5: Solve for x
    x = 229,695,839,361.77/529,341.24
  6. Step 6: Final answer
    x = 433,927.72

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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.