Home / 708,899.19-979,097.57-516,168.91

Finding the Fourth Proportional to 708,899.19, 979,097.57 and 516,168.91

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Solution

The fourth proportional to 708,899.19, 979,097.57 and 516,168.91 is: 712,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,899.19 : 979,097.57 = 516,168.91 : x
  2. Step 2: Convert to fraction form
    708,899.19/979,097.57 = 516,168.91/x
  3. Step 3: Cross multiply
    708,899.19x = 979,097.57 × 516,168.91
  4. Step 4: Simplify right side
    708,899.19x = 505,379,723,465.24
  5. Step 5: Solve for x
    x = 505,379,723,465.24/708,899.19
  6. Step 6: Final answer
    x = 712,907.74

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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.