Home / 819,307.41-1,229,026.74-627,458.37

Finding the Fourth Proportional to 819,307.41, 1,229,026.74 and 627,458.37

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Solution

The fourth proportional to 819,307.41, 1,229,026.74 and 627,458.37 is: 941,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,307.41 : 1,229,026.74 = 627,458.37 : x
  2. Step 2: Convert to fraction form
    819,307.41/1,229,026.74 = 627,458.37/x
  3. Step 3: Cross multiply
    819,307.41x = 1,229,026.74 × 627,458.37
  4. Step 4: Simplify right side
    819,307.41x = 771,163,114,966.81
  5. Step 5: Solve for x
    x = 771,163,114,966.81/819,307.41
  6. Step 6: Final answer
    x = 941,237.81

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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.