Home / 1,123,761.60-1,683,287.20-525,233.60

Finding the Fourth Proportional to 1,123,761.60, 1,683,287.20 and 525,233.60

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Solution

The fourth proportional to 1,123,761.60, 1,683,287.20 and 525,233.60 is: 786,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,761.60 : 1,683,287.20 = 525,233.60 : x
  2. Step 2: Convert to fraction form
    1,123,761.60/1,683,287.20 = 525,233.60/x
  3. Step 3: Cross multiply
    1,123,761.60x = 1,683,287.20 × 525,233.60
  4. Step 4: Simplify right side
    1,123,761.60x = 884,118,995,889.92
  5. Step 5: Solve for x
    x = 884,118,995,889.92/1,123,761.60
  6. Step 6: Final answer
    x = 786,749.61

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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.