Home / 705,724.11-973,684.62-399,751.83

Finding the Fourth Proportional to 705,724.11, 973,684.62 and 399,751.83

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Solution

The fourth proportional to 705,724.11, 973,684.62 and 399,751.83 is: 551,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,724.11 : 973,684.62 = 399,751.83 : x
  2. Step 2: Convert to fraction form
    705,724.11/973,684.62 = 399,751.83/x
  3. Step 3: Cross multiply
    705,724.11x = 973,684.62 × 399,751.83
  4. Step 4: Simplify right side
    705,724.11x = 389,232,208,687.86
  5. Step 5: Solve for x
    x = 389,232,208,687.86/705,724.11
  6. Step 6: Final answer
    x = 551,535.94

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Double scale
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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.