Home / 783,412.50-1,081,439.94-529,108.14

Finding the Fourth Proportional to 783,412.50, 1,081,439.94 and 529,108.14

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Solution

The fourth proportional to 783,412.50, 1,081,439.94 and 529,108.14 is: 730,392.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,412.50 : 1,081,439.94 = 529,108.14 : x
  2. Step 2: Convert to fraction form
    783,412.50/1,081,439.94 = 529,108.14/x
  3. Step 3: Cross multiply
    783,412.50x = 1,081,439.94 × 529,108.14
  4. Step 4: Simplify right side
    783,412.50x = 572,198,675,175.11
  5. Step 5: Solve for x
    x = 572,198,675,175.11/783,412.50
  6. Step 6: Final answer
    x = 730,392.58

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Double scale
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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.