Home / 763,647.69-1,053,772.16-441,378.66

Finding the Fourth Proportional to 763,647.69, 1,053,772.16 and 441,378.66

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Solution

The fourth proportional to 763,647.69, 1,053,772.16 and 441,378.66 is: 609,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,647.69 : 1,053,772.16 = 441,378.66 : x
  2. Step 2: Convert to fraction form
    763,647.69/1,053,772.16 = 441,378.66/x
  3. Step 3: Cross multiply
    763,647.69x = 1,053,772.16 × 441,378.66
  4. Step 4: Simplify right side
    763,647.69x = 465,112,541,719.21
  5. Step 5: Solve for x
    x = 465,112,541,719.21/763,647.69
  6. Step 6: Final answer
    x = 609,066.91

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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.