Home / 1,238,765.06-1,857,840.04-340,162.30

Finding the Fourth Proportional to 1,238,765.06, 1,857,840.04 and 340,162.30

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Solution

The fourth proportional to 1,238,765.06, 1,857,840.04 and 340,162.30 is: 510,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,765.06 : 1,857,840.04 = 340,162.30 : x
  2. Step 2: Convert to fraction form
    1,238,765.06/1,857,840.04 = 340,162.30/x
  3. Step 3: Cross multiply
    1,238,765.06x = 1,857,840.04 × 340,162.30
  4. Step 4: Simplify right side
    1,238,765.06x = 631,967,130,048.48
  5. Step 5: Solve for x
    x = 631,967,130,048.48/1,238,765.06
  6. Step 6: Final answer
    x = 510,158.99

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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.