Home / 1,253,125.89-1,877,160.69-578,269.67

Finding the Fourth Proportional to 1,253,125.89, 1,877,160.69 and 578,269.67

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Solution

The fourth proportional to 1,253,125.89, 1,877,160.69 and 578,269.67 is: 866,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,125.89 : 1,877,160.69 = 578,269.67 : x
  2. Step 2: Convert to fraction form
    1,253,125.89/1,877,160.69 = 578,269.67/x
  3. Step 3: Cross multiply
    1,253,125.89x = 1,877,160.69 × 578,269.67
  4. Step 4: Simplify right side
    1,253,125.89x = 1,085,505,083,357.47
  5. Step 5: Solve for x
    x = 1,085,505,083,357.47/1,253,125.89
  6. Step 6: Final answer
    x = 866,237.86

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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.