Home / 964,442.55-1,443,825.98-643,799.14

Finding the Fourth Proportional to 964,442.55, 1,443,825.98 and 643,799.14

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Solution

The fourth proportional to 964,442.55, 1,443,825.98 and 643,799.14 is: 963,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,442.55 : 1,443,825.98 = 643,799.14 : x
  2. Step 2: Convert to fraction form
    964,442.55/1,443,825.98 = 643,799.14/x
  3. Step 3: Cross multiply
    964,442.55x = 1,443,825.98 × 643,799.14
  4. Step 4: Simplify right side
    964,442.55x = 929,533,919,819.34
  5. Step 5: Solve for x
    x = 929,533,919,819.34/964,442.55
  6. Step 6: Final answer
    x = 963,804.34

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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.