Home / 838,136.82-1,156,628.79-456,166.32

Finding the Fourth Proportional to 838,136.82, 1,156,628.79 and 456,166.32

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Solution

The fourth proportional to 838,136.82, 1,156,628.79 and 456,166.32 is: 629,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,136.82 : 1,156,628.79 = 456,166.32 : x
  2. Step 2: Convert to fraction form
    838,136.82/1,156,628.79 = 456,166.32/x
  3. Step 3: Cross multiply
    838,136.82x = 1,156,628.79 × 456,166.32
  4. Step 4: Simplify right side
    838,136.82x = 527,615,098,740.35
  5. Step 5: Solve for x
    x = 527,615,098,740.35/838,136.82
  6. Step 6: Final answer
    x = 629,509.51

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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.