Home / 942,536.45-1,300,661.44-512,818.29

Finding the Fourth Proportional to 942,536.45, 1,300,661.44 and 512,818.29

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Solution

The fourth proportional to 942,536.45, 1,300,661.44 and 512,818.29 is: 707,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,536.45 : 1,300,661.44 = 512,818.29 : x
  2. Step 2: Convert to fraction form
    942,536.45/1,300,661.44 = 512,818.29/x
  3. Step 3: Cross multiply
    942,536.45x = 1,300,661.44 × 512,818.29
  4. Step 4: Simplify right side
    942,536.45x = 667,002,974,247.69
  5. Step 5: Solve for x
    x = 667,002,974,247.69/942,536.45
  6. Step 6: Final answer
    x = 707,668.09

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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.