Home / 830,040.10-1,246,226.55-515,112.10

Finding the Fourth Proportional to 830,040.10, 1,246,226.55 and 515,112.10

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Solution

The fourth proportional to 830,040.10, 1,246,226.55 and 515,112.10 is: 773,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,040.10 : 1,246,226.55 = 515,112.10 : x
  2. Step 2: Convert to fraction form
    830,040.10/1,246,226.55 = 515,112.10/x
  3. Step 3: Cross multiply
    830,040.10x = 1,246,226.55 × 515,112.10
  4. Step 4: Simplify right side
    830,040.10x = 641,946,375,246.26
  5. Step 5: Solve for x
    x = 641,946,375,246.26/830,040.10
  6. Step 6: Final answer
    x = 773,392.00

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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.