Home / 1,559,489.63-2,151,197.58-938,863.11

Finding the Fourth Proportional to 1,559,489.63, 2,151,197.58 and 938,863.11

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Solution

The fourth proportional to 1,559,489.63, 2,151,197.58 and 938,863.11 is: 1,295,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,489.63 : 2,151,197.58 = 938,863.11 : x
  2. Step 2: Convert to fraction form
    1,559,489.63/2,151,197.58 = 938,863.11/x
  3. Step 3: Cross multiply
    1,559,489.63x = 2,151,197.58 × 938,863.11
  4. Step 4: Simplify right side
    1,559,489.63x = 2,019,680,055,866.09
  5. Step 5: Solve for x
    x = 2,019,680,055,866.09/1,559,489.63
  6. Step 6: Final answer
    x = 1,295,090.40

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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.