Home / 769,915.37-1,062,490.08-425,774.45

Finding the Fourth Proportional to 769,915.37, 1,062,490.08 and 425,774.45

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Solution

The fourth proportional to 769,915.37, 1,062,490.08 and 425,774.45 is: 587,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,915.37 : 1,062,490.08 = 425,774.45 : x
  2. Step 2: Convert to fraction form
    769,915.37/1,062,490.08 = 425,774.45/x
  3. Step 3: Cross multiply
    769,915.37x = 1,062,490.08 × 425,774.45
  4. Step 4: Simplify right side
    769,915.37x = 452,381,129,442.46
  5. Step 5: Solve for x
    x = 452,381,129,442.46/769,915.37
  6. Step 6: Final answer
    x = 587,572.54

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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.