Home / 1,489,600.17-2,055,688.20-845,117.19

Finding the Fourth Proportional to 1,489,600.17, 2,055,688.20 and 845,117.19

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Solution

The fourth proportional to 1,489,600.17, 2,055,688.20 and 845,117.19 is: 1,166,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,600.17 : 2,055,688.20 = 845,117.19 : x
  2. Step 2: Convert to fraction form
    1,489,600.17/2,055,688.20 = 845,117.19/x
  3. Step 3: Cross multiply
    1,489,600.17x = 2,055,688.20 × 845,117.19
  4. Step 4: Simplify right side
    1,489,600.17x = 1,737,297,435,100.16
  5. Step 5: Solve for x
    x = 1,737,297,435,100.16/1,489,600.17
  6. Step 6: Final answer
    x = 1,166,284.40

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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.