Home / 1,224,112.18-1,689,167.36-680,213.52

Finding the Fourth Proportional to 1,224,112.18, 1,689,167.36 and 680,213.52

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Solution

The fourth proportional to 1,224,112.18, 1,689,167.36 and 680,213.52 is: 938,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,112.18 : 1,689,167.36 = 680,213.52 : x
  2. Step 2: Convert to fraction form
    1,224,112.18/1,689,167.36 = 680,213.52/x
  3. Step 3: Cross multiply
    1,224,112.18x = 1,689,167.36 × 680,213.52
  4. Step 4: Simplify right side
    1,224,112.18x = 1,148,994,475,814.71
  5. Step 5: Solve for x
    x = 1,148,994,475,814.71/1,224,112.18
  6. Step 6: Final answer
    x = 938,634.95

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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.