Home / 1,237,256.64-1,864,313.28-1,017,538.20

Finding the Fourth Proportional to 1,237,256.64, 1,864,313.28 and 1,017,538.20

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Solution

The fourth proportional to 1,237,256.64, 1,864,313.28 and 1,017,538.20 is: 1,533,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,256.64 : 1,864,313.28 = 1,017,538.20 : x
  2. Step 2: Convert to fraction form
    1,237,256.64/1,864,313.28 = 1,017,538.20/x
  3. Step 3: Cross multiply
    1,237,256.64x = 1,864,313.28 × 1,017,538.20
  4. Step 4: Simplify right side
    1,237,256.64x = 1,897,009,979,167.30
  5. Step 5: Solve for x
    x = 1,897,009,979,167.30/1,237,256.64
  6. Step 6: Final answer
    x = 1,533,238.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.