Home / 1,205,792.37-1,663,888.57-661,927.39

Finding the Fourth Proportional to 1,205,792.37, 1,663,888.57 and 661,927.39

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Solution

The fourth proportional to 1,205,792.37, 1,663,888.57 and 661,927.39 is: 913,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,792.37 : 1,663,888.57 = 661,927.39 : x
  2. Step 2: Convert to fraction form
    1,205,792.37/1,663,888.57 = 661,927.39/x
  3. Step 3: Cross multiply
    1,205,792.37x = 1,663,888.57 × 661,927.39
  4. Step 4: Simplify right side
    1,205,792.37x = 1,101,373,412,576.39
  5. Step 5: Solve for x
    x = 1,101,373,412,576.39/1,205,792.37
  6. Step 6: Final answer
    x = 913,402.21

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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.