Home / 1,054,920.96-1,582,581.12-423,884.16

Finding the Fourth Proportional to 1,054,920.96, 1,582,581.12 and 423,884.16

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Solution

The fourth proportional to 1,054,920.96, 1,582,581.12 and 423,884.16 is: 635,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,920.96 : 1,582,581.12 = 423,884.16 : x
  2. Step 2: Convert to fraction form
    1,054,920.96/1,582,581.12 = 423,884.16/x
  3. Step 3: Cross multiply
    1,054,920.96x = 1,582,581.12 × 423,884.16
  4. Step 4: Simplify right side
    1,054,920.96x = 670,831,068,683.06
  5. Step 5: Solve for x
    x = 670,831,068,683.06/1,054,920.96
  6. Step 6: Final answer
    x = 635,906.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.