Home / 1,205,465.53-1,663,644.54-661,693.43

Finding the Fourth Proportional to 1,205,465.53, 1,663,644.54 and 661,693.43

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Solution

The fourth proportional to 1,205,465.53, 1,663,644.54 and 661,693.43 is: 913,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,465.53 : 1,663,644.54 = 661,693.43 : x
  2. Step 2: Convert to fraction form
    1,205,465.53/1,663,644.54 = 661,693.43/x
  3. Step 3: Cross multiply
    1,205,465.53x = 1,663,644.54 × 661,693.43
  4. Step 4: Simplify right side
    1,205,465.53x = 1,100,822,661,973.37
  5. Step 5: Solve for x
    x = 1,100,822,661,973.37/1,205,465.53
  6. Step 6: Final answer
    x = 913,192.98

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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.