Home / 953,599.88-1,315,913.20-523,870.78

Finding the Fourth Proportional to 953,599.88, 1,315,913.20 and 523,870.78

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Solution

The fourth proportional to 953,599.88, 1,315,913.20 and 523,870.78 is: 722,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,599.88 : 1,315,913.20 = 523,870.78 : x
  2. Step 2: Convert to fraction form
    953,599.88/1,315,913.20 = 523,870.78/x
  3. Step 3: Cross multiply
    953,599.88x = 1,315,913.20 × 523,870.78
  4. Step 4: Simplify right side
    953,599.88x = 689,368,474,496.30
  5. Step 5: Solve for x
    x = 689,368,474,496.30/953,599.88
  6. Step 6: Final answer
    x = 722,911.66

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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.