Home / 591,064.20-886,013.10-291,299.40

Finding the Fourth Proportional to 591,064.20, 886,013.10 and 291,299.40

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Solution

The fourth proportional to 591,064.20, 886,013.10 and 291,299.40 is: 436,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,064.20 : 886,013.10 = 291,299.40 : x
  2. Step 2: Convert to fraction form
    591,064.20/886,013.10 = 291,299.40/x
  3. Step 3: Cross multiply
    591,064.20x = 886,013.10 × 291,299.40
  4. Step 4: Simplify right side
    591,064.20x = 258,095,084,422.14
  5. Step 5: Solve for x
    x = 258,095,084,422.14/591,064.20
  6. Step 6: Final answer
    x = 436,661.68

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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.