Home / 999,140.83-1,378,837.97-569,460.94

Finding the Fourth Proportional to 999,140.83, 1,378,837.97 and 569,460.94

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Solution

The fourth proportional to 999,140.83, 1,378,837.97 and 569,460.94 is: 785,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,140.83 : 1,378,837.97 = 569,460.94 : x
  2. Step 2: Convert to fraction form
    999,140.83/1,378,837.97 = 569,460.94/x
  3. Step 3: Cross multiply
    999,140.83x = 1,378,837.97 × 569,460.94
  4. Step 4: Simplify right side
    999,140.83x = 785,194,366,503.89
  5. Step 5: Solve for x
    x = 785,194,366,503.89/999,140.83
  6. Step 6: Final answer
    x = 785,869.56

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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.