Home / 896,649.17-1,237,357.38-488,747.48

Finding the Fourth Proportional to 896,649.17, 1,237,357.38 and 488,747.48

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Solution

The fourth proportional to 896,649.17, 1,237,357.38 and 488,747.48 is: 674,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,649.17 : 1,237,357.38 = 488,747.48 : x
  2. Step 2: Convert to fraction form
    896,649.17/1,237,357.38 = 488,747.48/x
  3. Step 3: Cross multiply
    896,649.17x = 1,237,357.38 × 488,747.48
  4. Step 4: Simplify right side
    896,649.17x = 604,755,295,147.62
  5. Step 5: Solve for x
    x = 604,755,295,147.62/896,649.17
  6. Step 6: Final answer
    x = 674,461.45

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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.