Home / 1,110,143.47-1,532,035.14-680,340.60

Finding the Fourth Proportional to 1,110,143.47, 1,532,035.14 and 680,340.60

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Solution

The fourth proportional to 1,110,143.47, 1,532,035.14 and 680,340.60 is: 938,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,143.47 : 1,532,035.14 = 680,340.60 : x
  2. Step 2: Convert to fraction form
    1,110,143.47/1,532,035.14 = 680,340.60/x
  3. Step 3: Cross multiply
    1,110,143.47x = 1,532,035.14 × 680,340.60
  4. Step 4: Simplify right side
    1,110,143.47x = 1,042,305,706,368.68
  5. Step 5: Solve for x
    x = 1,042,305,706,368.68/1,110,143.47
  6. Step 6: Final answer
    x = 938,892.80

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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.