Home / 705,826.46-974,037.93-399,961.07

Finding the Fourth Proportional to 705,826.46, 974,037.93 and 399,961.07

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Solution

The fourth proportional to 705,826.46, 974,037.93 and 399,961.07 is: 551,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,826.46 : 974,037.93 = 399,961.07 : x
  2. Step 2: Convert to fraction form
    705,826.46/974,037.93 = 399,961.07/x
  3. Step 3: Cross multiply
    705,826.46x = 974,037.93 × 399,961.07
  4. Step 4: Simplify right side
    705,826.46x = 389,577,250,621.17
  5. Step 5: Solve for x
    x = 389,577,250,621.17/705,826.46
  6. Step 6: Final answer
    x = 551,944.81

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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.