Home / 382,908.47-528,577.05-272,598.21

Finding the Fourth Proportional to 382,908.47, 528,577.05 and 272,598.21

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Solution

The fourth proportional to 382,908.47, 528,577.05 and 272,598.21 is: 376,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,908.47 : 528,577.05 = 272,598.21 : x
  2. Step 2: Convert to fraction form
    382,908.47/528,577.05 = 272,598.21/x
  3. Step 3: Cross multiply
    382,908.47x = 528,577.05 × 272,598.21
  4. Step 4: Simplify right side
    382,908.47x = 144,089,157,677.08
  5. Step 5: Solve for x
    x = 144,089,157,677.08/382,908.47
  6. Step 6: Final answer
    x = 376,301.83

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1.5x scale

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.