Home / 1,122,207.93-1,683,548.64-363,990.51

Finding the Fourth Proportional to 1,122,207.93, 1,683,548.64 and 363,990.51

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Solution

The fourth proportional to 1,122,207.93, 1,683,548.64 and 363,990.51 is: 546,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,207.93 : 1,683,548.64 = 363,990.51 : x
  2. Step 2: Convert to fraction form
    1,122,207.93/1,683,548.64 = 363,990.51/x
  3. Step 3: Cross multiply
    1,122,207.93x = 1,683,548.64 × 363,990.51
  4. Step 4: Simplify right side
    1,122,207.93x = 612,795,728,083.41
  5. Step 5: Solve for x
    x = 612,795,728,083.41/1,122,207.93
  6. Step 6: Final answer
    x = 546,062.55

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Double scale
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1.5x scale

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.