Home / 1,122,208.68-1,683,549.77-363,991.26

Finding the Fourth Proportional to 1,122,208.68, 1,683,549.77 and 363,991.26

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Solution

The fourth proportional to 1,122,208.68, 1,683,549.77 and 363,991.26 is: 546,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,208.68 : 1,683,549.77 = 363,991.26 : x
  2. Step 2: Convert to fraction form
    1,122,208.68/1,683,549.77 = 363,991.26/x
  3. Step 3: Cross multiply
    1,122,208.68x = 1,683,549.77 × 363,991.26
  4. Step 4: Simplify right side
    1,122,208.68x = 612,797,402,055.01
  5. Step 5: Solve for x
    x = 612,797,402,055.01/1,122,208.68
  6. Step 6: Final answer
    x = 546,063.68

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Double scale
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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.