Home / 723,683.53-998,029.45-451,776.56

Finding the Fourth Proportional to 723,683.53, 998,029.45 and 451,776.56

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Solution

The fourth proportional to 723,683.53, 998,029.45 and 451,776.56 is: 623,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,683.53 : 998,029.45 = 451,776.56 : x
  2. Step 2: Convert to fraction form
    723,683.53/998,029.45 = 451,776.56/x
  3. Step 3: Cross multiply
    723,683.53x = 998,029.45 × 451,776.56
  4. Step 4: Simplify right side
    723,683.53x = 450,886,307,274.27
  5. Step 5: Solve for x
    x = 450,886,307,274.27/723,683.53
  6. Step 6: Final answer
    x = 623,043.48

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1.5x scale

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.