Home / 689,984.29-952,178.25-384,054.08

Finding the Fourth Proportional to 689,984.29, 952,178.25 and 384,054.08

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Solution

The fourth proportional to 689,984.29, 952,178.25 and 384,054.08 is: 529,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,984.29 : 952,178.25 = 384,054.08 : x
  2. Step 2: Convert to fraction form
    689,984.29/952,178.25 = 384,054.08/x
  3. Step 3: Cross multiply
    689,984.29x = 952,178.25 × 384,054.08
  4. Step 4: Simplify right side
    689,984.29x = 365,687,941,799.76
  5. Step 5: Solve for x
    x = 365,687,941,799.76/689,984.29
  6. Step 6: Final answer
    x = 529,994.59

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1.5x scale

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.