Home / 1,214,220.67-1,675,627.02-670,357.51

Finding the Fourth Proportional to 1,214,220.67, 1,675,627.02 and 670,357.51

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Solution

The fourth proportional to 1,214,220.67, 1,675,627.02 and 670,357.51 is: 925,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,220.67 : 1,675,627.02 = 670,357.51 : x
  2. Step 2: Convert to fraction form
    1,214,220.67/1,675,627.02 = 670,357.51/x
  3. Step 3: Cross multiply
    1,214,220.67x = 1,675,627.02 × 670,357.51
  4. Step 4: Simplify right side
    1,214,220.67x = 1,123,269,156,815.92
  5. Step 5: Solve for x
    x = 1,123,269,156,815.92/1,214,220.67
  6. Step 6: Final answer
    x = 925,094.74

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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.