Home / 709,425.70-1,064,794.65-354,694.30

Finding the Fourth Proportional to 709,425.70, 1,064,794.65 and 354,694.30

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Solution

The fourth proportional to 709,425.70, 1,064,794.65 and 354,694.30 is: 532,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,425.70 : 1,064,794.65 = 354,694.30 : x
  2. Step 2: Convert to fraction form
    709,425.70/1,064,794.65 = 354,694.30/x
  3. Step 3: Cross multiply
    709,425.70x = 1,064,794.65 × 354,694.30
  4. Step 4: Simplify right side
    709,425.70x = 377,676,593,025.50
  5. Step 5: Solve for x
    x = 377,676,593,025.50/709,425.70
  6. Step 6: Final answer
    x = 532,369.48

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Double scale
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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.