Home / 572,117.38-789,630.93-378,529.00

Finding the Fourth Proportional to 572,117.38, 789,630.93 and 378,529.00

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Solution

The fourth proportional to 572,117.38, 789,630.93 and 378,529.00 is: 522,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,117.38 : 789,630.93 = 378,529.00 : x
  2. Step 2: Convert to fraction form
    572,117.38/789,630.93 = 378,529.00/x
  3. Step 3: Cross multiply
    572,117.38x = 789,630.93 × 378,529.00
  4. Step 4: Simplify right side
    572,117.38x = 298,898,204,327.89
  5. Step 5: Solve for x
    x = 298,898,204,327.89/572,117.38
  6. Step 6: Final answer
    x = 522,442.10

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Double scale
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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.