Home / 689,987.03-952,181.98-384,056.87

Finding the Fourth Proportional to 689,987.03, 952,181.98 and 384,056.87

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Solution

The fourth proportional to 689,987.03, 952,181.98 and 384,056.87 is: 529,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,987.03 : 952,181.98 = 384,056.87 : x
  2. Step 2: Convert to fraction form
    689,987.03/952,181.98 = 384,056.87/x
  3. Step 3: Cross multiply
    689,987.03x = 952,181.98 × 384,056.87
  4. Step 4: Simplify right side
    689,987.03x = 365,692,030,026.48
  5. Step 5: Solve for x
    x = 365,692,030,026.48/689,987.03
  6. Step 6: Final answer
    x = 529,998.41

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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.