Home / 830,025.10-1,246,204.05-515,097.10

Finding the Fourth Proportional to 830,025.10, 1,246,204.05 and 515,097.10

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Solution

The fourth proportional to 830,025.10, 1,246,204.05 and 515,097.10 is: 773,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,025.10 : 1,246,204.05 = 515,097.10 : x
  2. Step 2: Convert to fraction form
    830,025.10/1,246,204.05 = 515,097.10/x
  3. Step 3: Cross multiply
    830,025.10x = 1,246,204.05 × 515,097.10
  4. Step 4: Simplify right side
    830,025.10x = 641,916,092,163.26
  5. Step 5: Solve for x
    x = 641,916,092,163.26/830,025.10
  6. Step 6: Final answer
    x = 773,369.49

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Half scale
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Double scale
Find fourth proportional to 830,026.10, 1,246,205.55 and 515,098.10
Similar ratio
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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.