Home / 708,999.80-1,064,190.90-354,414.20

Finding the Fourth Proportional to 708,999.80, 1,064,190.90 and 354,414.20

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Solution

The fourth proportional to 708,999.80, 1,064,190.90 and 354,414.20 is: 531,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,999.80 : 1,064,190.90 = 354,414.20 : x
  2. Step 2: Convert to fraction form
    708,999.80/1,064,190.90 = 354,414.20/x
  3. Step 3: Cross multiply
    708,999.80x = 1,064,190.90 × 354,414.20
  4. Step 4: Simplify right side
    708,999.80x = 377,164,366,470.78
  5. Step 5: Solve for x
    x = 377,164,366,470.78/708,999.80
  6. Step 6: Final answer
    x = 531,966.82

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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.