Home / 873,783.36-1,205,818.08-491,809.92

Finding the Fourth Proportional to 873,783.36, 1,205,818.08 and 491,809.92

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Solution

The fourth proportional to 873,783.36, 1,205,818.08 and 491,809.92 is: 678,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,783.36 : 1,205,818.08 = 491,809.92 : x
  2. Step 2: Convert to fraction form
    873,783.36/1,205,818.08 = 491,809.92/x
  3. Step 3: Cross multiply
    873,783.36x = 1,205,818.08 × 491,809.92
  4. Step 4: Simplify right side
    873,783.36x = 593,033,293,459.35
  5. Step 5: Solve for x
    x = 593,033,293,459.35/873,783.36
  6. Step 6: Final answer
    x = 678,696.03

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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.