Home / 497,400.04-686,412.93-271,045.54

Finding the Fourth Proportional to 497,400.04, 686,412.93 and 271,045.54

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Solution

The fourth proportional to 497,400.04, 686,412.93 and 271,045.54 is: 374,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,400.04 : 686,412.93 = 271,045.54 : x
  2. Step 2: Convert to fraction form
    497,400.04/686,412.93 = 271,045.54/x
  3. Step 3: Cross multiply
    497,400.04x = 686,412.93 × 271,045.54
  4. Step 4: Simplify right side
    497,400.04x = 186,049,163,274.83
  5. Step 5: Solve for x
    x = 186,049,163,274.83/497,400.04
  6. Step 6: Final answer
    x = 374,043.32

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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.