Home / 497,804.04-686,968.29-271,449.54

Finding the Fourth Proportional to 497,804.04, 686,968.29 and 271,449.54

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Solution

The fourth proportional to 497,804.04, 686,968.29 and 271,449.54 is: 374,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,804.04 : 686,968.29 = 271,449.54 : x
  2. Step 2: Convert to fraction form
    497,804.04/686,968.29 = 271,449.54/x
  3. Step 3: Cross multiply
    497,804.04x = 686,968.29 × 271,449.54
  4. Step 4: Simplify right side
    497,804.04x = 186,477,222,880.25
  5. Step 5: Solve for x
    x = 186,477,222,880.25/497,804.04
  6. Step 6: Final answer
    x = 374,599.66

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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.