Home / 1,234,017.76-1,851,176.40-347,553.76

Finding the Fourth Proportional to 1,234,017.76, 1,851,176.40 and 347,553.76

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Solution

The fourth proportional to 1,234,017.76, 1,851,176.40 and 347,553.76 is: 521,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,017.76 : 1,851,176.40 = 347,553.76 : x
  2. Step 2: Convert to fraction form
    1,234,017.76/1,851,176.40 = 347,553.76/x
  3. Step 3: Cross multiply
    1,234,017.76x = 1,851,176.40 × 347,553.76
  4. Step 4: Simplify right side
    1,234,017.76x = 643,383,318,243.26
  5. Step 5: Solve for x
    x = 643,383,318,243.26/1,234,017.76
  6. Step 6: Final answer
    x = 521,372.82

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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.