Home / 778,004.41-1,073,665.07-433,836.98

Finding the Fourth Proportional to 778,004.41, 1,073,665.07 and 433,836.98

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Solution

The fourth proportional to 778,004.41, 1,073,665.07 and 433,836.98 is: 598,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,004.41 : 1,073,665.07 = 433,836.98 : x
  2. Step 2: Convert to fraction form
    778,004.41/1,073,665.07 = 433,836.98/x
  3. Step 3: Cross multiply
    778,004.41x = 1,073,665.07 × 433,836.98
  4. Step 4: Simplify right side
    778,004.41x = 465,795,611,500.29
  5. Step 5: Solve for x
    x = 465,795,611,500.29/778,004.41
  6. Step 6: Final answer
    x = 598,705.62

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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.