Home / 385,026.60-577,529.10-174,664.20

Finding the Fourth Proportional to 385,026.60, 577,529.10 and 174,664.20

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Solution

The fourth proportional to 385,026.60, 577,529.10 and 174,664.20 is: 261,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,026.60 : 577,529.10 = 174,664.20 : x
  2. Step 2: Convert to fraction form
    385,026.60/577,529.10 = 174,664.20/x
  3. Step 3: Cross multiply
    385,026.60x = 577,529.10 × 174,664.20
  4. Step 4: Simplify right side
    385,026.60x = 100,873,658,228.22
  5. Step 5: Solve for x
    x = 100,873,658,228.22/385,026.60
  6. Step 6: Final answer
    x = 261,991.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.