Home / 622,192.60-933,980.10-385,802.20

Finding the Fourth Proportional to 622,192.60, 933,980.10 and 385,802.20

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Solution

The fourth proportional to 622,192.60, 933,980.10 and 385,802.20 is: 579,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,192.60 : 933,980.10 = 385,802.20 : x
  2. Step 2: Convert to fraction form
    622,192.60/933,980.10 = 385,802.20/x
  3. Step 3: Cross multiply
    622,192.60x = 933,980.10 × 385,802.20
  4. Step 4: Simplify right side
    622,192.60x = 360,331,577,336.22
  5. Step 5: Solve for x
    x = 360,331,577,336.22/622,192.60
  6. Step 6: Final answer
    x = 579,131.89

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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.