Home / 862,097.68-1,189,731.71-480,124.46

Finding the Fourth Proportional to 862,097.68, 1,189,731.71 and 480,124.46

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Solution

The fourth proportional to 862,097.68, 1,189,731.71 and 480,124.46 is: 662,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,097.68 : 1,189,731.71 = 480,124.46 : x
  2. Step 2: Convert to fraction form
    862,097.68/1,189,731.71 = 480,124.46/x
  3. Step 3: Cross multiply
    862,097.68x = 1,189,731.71 × 480,124.46
  4. Step 4: Simplify right side
    862,097.68x = 571,219,294,808.63
  5. Step 5: Solve for x
    x = 571,219,294,808.63/862,097.68
  6. Step 6: Final answer
    x = 662,592.31

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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.