Home / 579,586.70-869,280.42-153,127.10

Finding the Fourth Proportional to 579,586.70, 869,280.42 and 153,127.10

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Solution

The fourth proportional to 579,586.70, 869,280.42 and 153,127.10 is: 229,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,586.70 : 869,280.42 = 153,127.10 : x
  2. Step 2: Convert to fraction form
    579,586.70/869,280.42 = 153,127.10/x
  3. Step 3: Cross multiply
    579,586.70x = 869,280.42 × 153,127.10
  4. Step 4: Simplify right side
    579,586.70x = 133,110,389,801.38
  5. Step 5: Solve for x
    x = 133,110,389,801.38/579,586.70
  6. Step 6: Final answer
    x = 229,664.33

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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.