Home / 873,424.58-1,205,380.86-529,290.64

Finding the Fourth Proportional to 873,424.58, 1,205,380.86 and 529,290.64

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Solution

The fourth proportional to 873,424.58, 1,205,380.86 and 529,290.64 is: 730,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,424.58 : 1,205,380.86 = 529,290.64 : x
  2. Step 2: Convert to fraction form
    873,424.58/1,205,380.86 = 529,290.64/x
  3. Step 3: Cross multiply
    873,424.58x = 1,205,380.86 × 529,290.64
  4. Step 4: Simplify right side
    873,424.58x = 637,996,806,833.15
  5. Step 5: Solve for x
    x = 637,996,806,833.15/873,424.58
  6. Step 6: Final answer
    x = 730,454.38

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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.