Home / 953,173.12-1,315,380.48-523,480.96

Finding the Fourth Proportional to 953,173.12, 1,315,380.48 and 523,480.96

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Solution

The fourth proportional to 953,173.12, 1,315,380.48 and 523,480.96 is: 722,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,173.12 : 1,315,380.48 = 523,480.96 : x
  2. Step 2: Convert to fraction form
    953,173.12/1,315,380.48 = 523,480.96/x
  3. Step 3: Cross multiply
    953,173.12x = 1,315,380.48 × 523,480.96
  4. Step 4: Simplify right side
    953,173.12x = 688,576,636,435.66
  5. Step 5: Solve for x
    x = 688,576,636,435.66/953,173.12
  6. Step 6: Final answer
    x = 722,404.59

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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.