Home / 777,936.80-1,166,444.40-404,688.80

Finding the Fourth Proportional to 777,936.80, 1,166,444.40 and 404,688.80

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Solution

The fourth proportional to 777,936.80, 1,166,444.40 and 404,688.80 is: 606,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,936.80 : 1,166,444.40 = 404,688.80 : x
  2. Step 2: Convert to fraction form
    777,936.80/1,166,444.40 = 404,688.80/x
  3. Step 3: Cross multiply
    777,936.80x = 1,166,444.40 × 404,688.80
  4. Step 4: Simplify right side
    777,936.80x = 472,046,984,502.72
  5. Step 5: Solve for x
    x = 472,046,984,502.72/777,936.80
  6. Step 6: Final answer
    x = 606,793.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.