Home / 535,415.23-803,835.59-310,936.79

Finding the Fourth Proportional to 535,415.23, 803,835.59 and 310,936.79

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Solution

The fourth proportional to 535,415.23, 803,835.59 and 310,936.79 is: 466,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,415.23 : 803,835.59 = 310,936.79 : x
  2. Step 2: Convert to fraction form
    535,415.23/803,835.59 = 310,936.79/x
  3. Step 3: Cross multiply
    535,415.23x = 803,835.59 × 310,936.79
  4. Step 4: Simplify right side
    535,415.23x = 249,942,058,042.36
  5. Step 5: Solve for x
    x = 249,942,058,042.36/535,415.23
  6. Step 6: Final answer
    x = 466,819.10

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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.