Home / 700,641.28-966,538.56-414,022.72

Finding the Fourth Proportional to 700,641.28, 966,538.56 and 414,022.72

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Solution

The fourth proportional to 700,641.28, 966,538.56 and 414,022.72 is: 571,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,641.28 : 966,538.56 = 414,022.72 : x
  2. Step 2: Convert to fraction form
    700,641.28/966,538.56 = 414,022.72/x
  3. Step 3: Cross multiply
    700,641.28x = 966,538.56 × 414,022.72
  4. Step 4: Simplify right side
    700,641.28x = 400,168,923,596.08
  5. Step 5: Solve for x
    x = 400,168,923,596.08/700,641.28
  6. Step 6: Final answer
    x = 571,146.66

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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.