Home / 1,430,696.17-2,147,865.28-927,363.36

Finding the Fourth Proportional to 1,430,696.17, 2,147,865.28 and 927,363.36

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Solution

The fourth proportional to 1,430,696.17, 2,147,865.28 and 927,363.36 is: 1,392,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,696.17 : 2,147,865.28 = 927,363.36 : x
  2. Step 2: Convert to fraction form
    1,430,696.17/2,147,865.28 = 927,363.36/x
  3. Step 3: Cross multiply
    1,430,696.17x = 2,147,865.28 × 927,363.36
  4. Step 4: Simplify right side
    1,430,696.17x = 1,991,851,562,888.14
  5. Step 5: Solve for x
    x = 1,991,851,562,888.14/1,430,696.17
  6. Step 6: Final answer
    x = 1,392,225.42

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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.