Home / 830,080.10-1,246,286.55-515,152.10

Finding the Fourth Proportional to 830,080.10, 1,246,286.55 and 515,152.10

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Solution

The fourth proportional to 830,080.10, 1,246,286.55 and 515,152.10 is: 773,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,080.10 : 1,246,286.55 = 515,152.10 : x
  2. Step 2: Convert to fraction form
    830,080.10/1,246,286.55 = 515,152.10/x
  3. Step 3: Cross multiply
    830,080.10x = 1,246,286.55 × 515,152.10
  4. Step 4: Simplify right side
    830,080.10x = 642,027,133,434.26
  5. Step 5: Solve for x
    x = 642,027,133,434.26/830,080.10
  6. Step 6: Final answer
    x = 773,452.02

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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.