Home / 507,683.43-761,519.24-123,434.45

Finding the Fourth Proportional to 507,683.43, 761,519.24 and 123,434.45

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Solution

The fourth proportional to 507,683.43, 761,519.24 and 123,434.45 is: 185,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,683.43 : 761,519.24 = 123,434.45 : x
  2. Step 2: Convert to fraction form
    507,683.43/761,519.24 = 123,434.45/x
  3. Step 3: Cross multiply
    507,683.43x = 761,519.24 × 123,434.45
  4. Step 4: Simplify right side
    507,683.43x = 93,997,707,447.63
  5. Step 5: Solve for x
    x = 93,997,707,447.63/507,683.43
  6. Step 6: Final answer
    x = 185,150.24

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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.