Home / 1,253,134.89-1,877,174.19-578,278.71

Finding the Fourth Proportional to 1,253,134.89, 1,877,174.19 and 578,278.71

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Solution

The fourth proportional to 1,253,134.89, 1,877,174.19 and 578,278.71 is: 866,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,134.89 : 1,877,174.19 = 578,278.71 : x
  2. Step 2: Convert to fraction form
    1,253,134.89/1,877,174.19 = 578,278.71/x
  3. Step 3: Cross multiply
    1,253,134.89x = 1,877,174.19 × 578,278.71
  4. Step 4: Simplify right side
    1,253,134.89x = 1,085,529,869,038.49
  5. Step 5: Solve for x
    x = 1,085,529,869,038.49/1,253,134.89
  6. Step 6: Final answer
    x = 866,251.41

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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.