Home / 1,376,876.72-2,066,124.13-578,096.84

Finding the Fourth Proportional to 1,376,876.72, 2,066,124.13 and 578,096.84

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Solution

The fourth proportional to 1,376,876.72, 2,066,124.13 and 578,096.84 is: 867,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,876.72 : 2,066,124.13 = 578,096.84 : x
  2. Step 2: Convert to fraction form
    1,376,876.72/2,066,124.13 = 578,096.84/x
  3. Step 3: Cross multiply
    1,376,876.72x = 2,066,124.13 × 578,096.84
  4. Step 4: Simplify right side
    1,376,876.72x = 1,194,419,830,600.75
  5. Step 5: Solve for x
    x = 1,194,419,830,600.75/1,376,876.72
  6. Step 6: Final answer
    x = 867,484.95

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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.