Home / 965,042.20-1,331,917.70-535,460.72

Finding the Fourth Proportional to 965,042.20, 1,331,917.70 and 535,460.72

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Solution

The fourth proportional to 965,042.20, 1,331,917.70 and 535,460.72 is: 739,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,042.20 : 1,331,917.70 = 535,460.72 : x
  2. Step 2: Convert to fraction form
    965,042.20/1,331,917.70 = 535,460.72/x
  3. Step 3: Cross multiply
    965,042.20x = 1,331,917.70 × 535,460.72
  4. Step 4: Simplify right side
    965,042.20x = 713,189,610,622.74
  5. Step 5: Solve for x
    x = 713,189,610,622.74/965,042.20
  6. Step 6: Final answer
    x = 739,024.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.