Home / 999,141.33-1,378,838.66-569,461.44

Finding the Fourth Proportional to 999,141.33, 1,378,838.66 and 569,461.44

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Solution

The fourth proportional to 999,141.33, 1,378,838.66 and 569,461.44 is: 785,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,141.33 : 1,378,838.66 = 569,461.44 : x
  2. Step 2: Convert to fraction form
    999,141.33/1,378,838.66 = 569,461.44/x
  3. Step 3: Cross multiply
    999,141.33x = 1,378,838.66 × 569,461.44
  4. Step 4: Simplify right side
    999,141.33x = 785,195,448,851.27
  5. Step 5: Solve for x
    x = 785,195,448,851.27/999,141.33
  6. Step 6: Final answer
    x = 785,870.25

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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.