Home / 524,021.60-786,032.40-187,223.60

Finding the Fourth Proportional to 524,021.60, 786,032.40 and 187,223.60

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Solution

The fourth proportional to 524,021.60, 786,032.40 and 187,223.60 is: 280,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,021.60 : 786,032.40 = 187,223.60 : x
  2. Step 2: Convert to fraction form
    524,021.60/786,032.40 = 187,223.60/x
  3. Step 3: Cross multiply
    524,021.60x = 786,032.40 × 187,223.60
  4. Step 4: Simplify right side
    524,021.60x = 147,163,815,644.64
  5. Step 5: Solve for x
    x = 147,163,815,644.64/524,021.60
  6. Step 6: Final answer
    x = 280,835.40

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Similar ratio
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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.