Home / 763,649.69-1,053,774.91-441,380.66

Finding the Fourth Proportional to 763,649.69, 1,053,774.91 and 441,380.66

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Solution

The fourth proportional to 763,649.69, 1,053,774.91 and 441,380.66 is: 609,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,649.69 : 1,053,774.91 = 441,380.66 : x
  2. Step 2: Convert to fraction form
    763,649.69/1,053,774.91 = 441,380.66/x
  3. Step 3: Cross multiply
    763,649.69x = 1,053,774.91 × 441,380.66
  4. Step 4: Simplify right side
    763,649.69x = 465,115,865,267.24
  5. Step 5: Solve for x
    x = 465,115,865,267.24/763,649.69
  6. Step 6: Final answer
    x = 609,069.67

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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.