Home / 953,205.26-1,315,421.69-523,485.38

Finding the Fourth Proportional to 953,205.26, 1,315,421.69 and 523,485.38

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Solution

The fourth proportional to 953,205.26, 1,315,421.69 and 523,485.38 is: 722,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,205.26 : 1,315,421.69 = 523,485.38 : x
  2. Step 2: Convert to fraction form
    953,205.26/1,315,421.69 = 523,485.38/x
  3. Step 3: Cross multiply
    953,205.26x = 1,315,421.69 × 523,485.38
  4. Step 4: Simplify right side
    953,205.26x = 688,604,016,672.78
  5. Step 5: Solve for x
    x = 688,604,016,672.78/953,205.26
  6. Step 6: Final answer
    x = 722,408.96

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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.