Home / 1,057,410.72-1,459,534.68-644,096.88

Finding the Fourth Proportional to 1,057,410.72, 1,459,534.68 and 644,096.88

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Solution

The fourth proportional to 1,057,410.72, 1,459,534.68 and 644,096.88 is: 889,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,410.72 : 1,459,534.68 = 644,096.88 : x
  2. Step 2: Convert to fraction form
    1,057,410.72/1,459,534.68 = 644,096.88/x
  3. Step 3: Cross multiply
    1,057,410.72x = 1,459,534.68 × 644,096.88
  4. Step 4: Simplify right side
    1,057,410.72x = 940,081,733,639.80
  5. Step 5: Solve for x
    x = 940,081,733,639.80/1,057,410.72
  6. Step 6: Final answer
    x = 889,041.24

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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.