Home / 753,868.08-1,040,341.32-414,358.20

Finding the Fourth Proportional to 753,868.08, 1,040,341.32 and 414,358.20

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Solution

The fourth proportional to 753,868.08, 1,040,341.32 and 414,358.20 is: 571,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,868.08 : 1,040,341.32 = 414,358.20 : x
  2. Step 2: Convert to fraction form
    753,868.08/1,040,341.32 = 414,358.20/x
  3. Step 3: Cross multiply
    753,868.08x = 1,040,341.32 × 414,358.20
  4. Step 4: Simplify right side
    753,868.08x = 431,073,956,740.82
  5. Step 5: Solve for x
    x = 431,073,956,740.82/753,868.08
  6. Step 6: Final answer
    x = 571,816.17

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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.