Home / 953,021.23-1,315,178.52-523,310.59

Finding the Fourth Proportional to 953,021.23, 1,315,178.52 and 523,310.59

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Solution

The fourth proportional to 953,021.23, 1,315,178.52 and 523,310.59 is: 722,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,021.23 : 1,315,178.52 = 523,310.59 : x
  2. Step 2: Convert to fraction form
    953,021.23/1,315,178.52 = 523,310.59/x
  3. Step 3: Cross multiply
    953,021.23x = 1,315,178.52 × 523,310.59
  4. Step 4: Simplify right side
    953,021.23x = 688,246,847,256.53
  5. Step 5: Solve for x
    x = 688,246,847,256.53/953,021.23
  6. Step 6: Final answer
    x = 722,173.68

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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.