Home / 824,859.40-1,237,289.10-541,424.20

Finding the Fourth Proportional to 824,859.40, 1,237,289.10 and 541,424.20

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Solution

The fourth proportional to 824,859.40, 1,237,289.10 and 541,424.20 is: 812,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,859.40 : 1,237,289.10 = 541,424.20 : x
  2. Step 2: Convert to fraction form
    824,859.40/1,237,289.10 = 541,424.20/x
  3. Step 3: Cross multiply
    824,859.40x = 1,237,289.10 × 541,424.20
  4. Step 4: Simplify right side
    824,859.40x = 669,898,261,136.22
  5. Step 5: Solve for x
    x = 669,898,261,136.22/824,859.40
  6. Step 6: Final answer
    x = 812,136.30

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Double scale
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Similar ratio
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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.