Home / 579,588.70-869,283.42-153,129.10

Finding the Fourth Proportional to 579,588.70, 869,283.42 and 153,129.10

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Solution

The fourth proportional to 579,588.70, 869,283.42 and 153,129.10 is: 229,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,588.70 : 869,283.42 = 153,129.10 : x
  2. Step 2: Convert to fraction form
    579,588.70/869,283.42 = 153,129.10/x
  3. Step 3: Cross multiply
    579,588.70x = 869,283.42 × 153,129.10
  4. Step 4: Simplify right side
    579,588.70x = 133,112,587,749.52
  5. Step 5: Solve for x
    x = 133,112,587,749.52/579,588.70
  6. Step 6: Final answer
    x = 229,667.33

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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.