Home / 1,319,440.23-1,979,165.22-561,173.31

Finding the Fourth Proportional to 1,319,440.23, 1,979,165.22 and 561,173.31

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Solution

The fourth proportional to 1,319,440.23, 1,979,165.22 and 561,173.31 is: 841,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,440.23 : 1,979,165.22 = 561,173.31 : x
  2. Step 2: Convert to fraction form
    1,319,440.23/1,979,165.22 = 561,173.31/x
  3. Step 3: Cross multiply
    1,319,440.23x = 1,979,165.22 × 561,173.31
  4. Step 4: Simplify right side
    1,319,440.23x = 1,110,654,697,544.28
  5. Step 5: Solve for x
    x = 1,110,654,697,544.28/1,319,440.23
  6. Step 6: Final answer
    x = 841,762.04

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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.