Home / 534,921.77-738,267.74-331,038.35

Finding the Fourth Proportional to 534,921.77, 738,267.74 and 331,038.35

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Solution

The fourth proportional to 534,921.77, 738,267.74 and 331,038.35 is: 456,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,921.77 : 738,267.74 = 331,038.35 : x
  2. Step 2: Convert to fraction form
    534,921.77/738,267.74 = 331,038.35/x
  3. Step 3: Cross multiply
    534,921.77x = 738,267.74 × 331,038.35
  4. Step 4: Simplify right side
    534,921.77x = 244,394,934,698.31
  5. Step 5: Solve for x
    x = 244,394,934,698.31/534,921.77
  6. Step 6: Final answer
    x = 456,879.77

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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.