Home / 953,428.86-1,315,696.44-523,683.36

Finding the Fourth Proportional to 953,428.86, 1,315,696.44 and 523,683.36

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Solution

The fourth proportional to 953,428.86, 1,315,696.44 and 523,683.36 is: 722,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,428.86 : 1,315,696.44 = 523,683.36 : x
  2. Step 2: Convert to fraction form
    953,428.86/1,315,696.44 = 523,683.36/x
  3. Step 3: Cross multiply
    953,428.86x = 1,315,696.44 × 523,683.36
  4. Step 4: Simplify right side
    953,428.86x = 689,008,332,439.24
  5. Step 5: Solve for x
    x = 689,008,332,439.24/953,428.86
  6. Step 6: Final answer
    x = 722,663.60

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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.