Home / 1,190,103.40-1,642,336.62-646,234.42

Finding the Fourth Proportional to 1,190,103.40, 1,642,336.62 and 646,234.42

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Solution

The fourth proportional to 1,190,103.40, 1,642,336.62 and 646,234.42 is: 891,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,103.40 : 1,642,336.62 = 646,234.42 : x
  2. Step 2: Convert to fraction form
    1,190,103.40/1,642,336.62 = 646,234.42/x
  3. Step 3: Cross multiply
    1,190,103.40x = 1,642,336.62 × 646,234.42
  4. Step 4: Simplify right side
    1,190,103.40x = 1,061,334,453,070.46
  5. Step 5: Solve for x
    x = 1,061,334,453,070.46/1,190,103.40
  6. Step 6: Final answer
    x = 891,800.20

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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.