Home / 1,226,062.56-1,839,018.88-457,412.16

Finding the Fourth Proportional to 1,226,062.56, 1,839,018.88 and 457,412.16

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Solution

The fourth proportional to 1,226,062.56, 1,839,018.88 and 457,412.16 is: 686,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,062.56 : 1,839,018.88 = 457,412.16 : x
  2. Step 2: Convert to fraction form
    1,226,062.56/1,839,018.88 = 457,412.16/x
  3. Step 3: Cross multiply
    1,226,062.56x = 1,839,018.88 × 457,412.16
  4. Step 4: Simplify right side
    1,226,062.56x = 841,189,598,181.58
  5. Step 5: Solve for x
    x = 841,189,598,181.58/1,226,062.56
  6. Step 6: Final answer
    x = 686,090.27

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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.