Home / 579,589.70-869,284.92-153,130.10

Finding the Fourth Proportional to 579,589.70, 869,284.92 and 153,130.10

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Solution

The fourth proportional to 579,589.70, 869,284.92 and 153,130.10 is: 229,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,589.70 : 869,284.92 = 153,130.10 : x
  2. Step 2: Convert to fraction form
    579,589.70/869,284.92 = 153,130.10/x
  3. Step 3: Cross multiply
    579,589.70x = 869,284.92 × 153,130.10
  4. Step 4: Simplify right side
    579,589.70x = 133,113,686,728.09
  5. Step 5: Solve for x
    x = 133,113,686,728.09/579,589.70
  6. Step 6: Final answer
    x = 229,668.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.