Home / 382,280.88-527,501.52-210,170.40

Finding the Fourth Proportional to 382,280.88, 527,501.52 and 210,170.40

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Solution

The fourth proportional to 382,280.88, 527,501.52 and 210,170.40 is: 290,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,280.88 : 527,501.52 = 210,170.40 : x
  2. Step 2: Convert to fraction form
    382,280.88/527,501.52 = 210,170.40/x
  3. Step 3: Cross multiply
    382,280.88x = 527,501.52 × 210,170.40
  4. Step 4: Simplify right side
    382,280.88x = 110,865,205,459.01
  5. Step 5: Solve for x
    x = 110,865,205,459.01/382,280.88
  6. Step 6: Final answer
    x = 290,009.81

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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.