Home / 692,753.40-1,038,611.70-377,566.20

Finding the Fourth Proportional to 692,753.40, 1,038,611.70 and 377,566.20

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Solution

The fourth proportional to 692,753.40, 1,038,611.70 and 377,566.20 is: 566,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,753.40 : 1,038,611.70 = 377,566.20 : x
  2. Step 2: Convert to fraction form
    692,753.40/1,038,611.70 = 377,566.20/x
  3. Step 3: Cross multiply
    692,753.40x = 1,038,611.70 × 377,566.20
  4. Step 4: Simplify right side
    692,753.40x = 392,144,672,844.54
  5. Step 5: Solve for x
    x = 392,144,672,844.54/692,753.40
  6. Step 6: Final answer
    x = 566,066.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.