Home / 482,631.09-720,027.81-456,503.73

Finding the Fourth Proportional to 482,631.09, 720,027.81 and 456,503.73

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Solution

The fourth proportional to 482,631.09, 720,027.81 and 456,503.73 is: 681,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,631.09 : 720,027.81 = 456,503.73 : x
  2. Step 2: Convert to fraction form
    482,631.09/720,027.81 = 456,503.73/x
  3. Step 3: Cross multiply
    482,631.09x = 720,027.81 × 456,503.73
  4. Step 4: Simplify right side
    482,631.09x = 328,695,382,109.99
  5. Step 5: Solve for x
    x = 328,695,382,109.99/482,631.09
  6. Step 6: Final answer
    x = 681,048.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.