Home / 619,668.03-929,482.61-340,937.31

Finding the Fourth Proportional to 619,668.03, 929,482.61 and 340,937.31

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Solution

The fourth proportional to 619,668.03, 929,482.61 and 340,937.31 is: 511,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,668.03 : 929,482.61 = 340,937.31 : x
  2. Step 2: Convert to fraction form
    619,668.03/929,482.61 = 340,937.31/x
  3. Step 3: Cross multiply
    619,668.03x = 929,482.61 × 340,937.31
  4. Step 4: Simplify right side
    619,668.03x = 316,895,299,040.49
  5. Step 5: Solve for x
    x = 316,895,299,040.49/619,668.03
  6. Step 6: Final answer
    x = 511,395.27

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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.