Home / 806,000.61-1,112,280.84-443,416.69

Finding the Fourth Proportional to 806,000.61, 1,112,280.84 and 443,416.69

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Solution

The fourth proportional to 806,000.61, 1,112,280.84 and 443,416.69 is: 611,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,000.61 : 1,112,280.84 = 443,416.69 : x
  2. Step 2: Convert to fraction form
    806,000.61/1,112,280.84 = 443,416.69/x
  3. Step 3: Cross multiply
    806,000.61x = 1,112,280.84 × 443,416.69
  4. Step 4: Simplify right side
    806,000.61x = 493,203,889,813.57
  5. Step 5: Solve for x
    x = 493,203,889,813.57/806,000.61
  6. Step 6: Final answer
    x = 611,915.03

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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.