Home / 775,124.46-1,069,760.34-430,994.70

Finding the Fourth Proportional to 775,124.46, 1,069,760.34 and 430,994.70

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Solution

The fourth proportional to 775,124.46, 1,069,760.34 and 430,994.70 is: 594,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,124.46 : 1,069,760.34 = 430,994.70 : x
  2. Step 2: Convert to fraction form
    775,124.46/1,069,760.34 = 430,994.70/x
  3. Step 3: Cross multiply
    775,124.46x = 1,069,760.34 × 430,994.70
  4. Step 4: Simplify right side
    775,124.46x = 461,061,036,810.20
  5. Step 5: Solve for x
    x = 461,061,036,810.20/775,124.46
  6. Step 6: Final answer
    x = 594,821.94

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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.