Home / 1,299,905.19-1,949,852.34-353,273.22

Finding the Fourth Proportional to 1,299,905.19, 1,949,852.34 and 353,273.22

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Solution

The fourth proportional to 1,299,905.19, 1,949,852.34 and 353,273.22 is: 529,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,905.19 : 1,949,852.34 = 353,273.22 : x
  2. Step 2: Convert to fraction form
    1,299,905.19/1,949,852.34 = 353,273.22/x
  3. Step 3: Cross multiply
    1,299,905.19x = 1,949,852.34 × 353,273.22
  4. Step 4: Simplify right side
    1,299,905.19x = 688,830,614,676.34
  5. Step 5: Solve for x
    x = 688,830,614,676.34/1,299,905.19
  6. Step 6: Final answer
    x = 529,908.35

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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.