Home / 965,890.10-1,332,861.66-536,136.40

Finding the Fourth Proportional to 965,890.10, 1,332,861.66 and 536,136.40

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Solution

The fourth proportional to 965,890.10, 1,332,861.66 and 536,136.40 is: 739,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,890.10 : 1,332,861.66 = 536,136.40 : x
  2. Step 2: Convert to fraction form
    965,890.10/1,332,861.66 = 536,136.40/x
  3. Step 3: Cross multiply
    965,890.10x = 1,332,861.66 × 536,136.40
  4. Step 4: Simplify right side
    965,890.10x = 714,595,648,758.27
  5. Step 5: Solve for x
    x = 714,595,648,758.27/965,890.10
  6. Step 6: Final answer
    x = 739,831.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.