Home / 705,028.61-972,836.83-403,164.29

Finding the Fourth Proportional to 705,028.61, 972,836.83 and 403,164.29

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Solution

The fourth proportional to 705,028.61, 972,836.83 and 403,164.29 is: 556,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,028.61 : 972,836.83 = 403,164.29 : x
  2. Step 2: Convert to fraction form
    705,028.61/972,836.83 = 403,164.29/x
  3. Step 3: Cross multiply
    705,028.61x = 972,836.83 × 403,164.29
  4. Step 4: Simplify right side
    705,028.61x = 392,213,069,852.80
  5. Step 5: Solve for x
    x = 392,213,069,852.80/705,028.61
  6. Step 6: Final answer
    x = 556,308.02

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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.