Home / 495,998.04-684,530.80-281,115.02

Finding the Fourth Proportional to 495,998.04, 684,530.80 and 281,115.02

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Solution

The fourth proportional to 495,998.04, 684,530.80 and 281,115.02 is: 387,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,998.04 : 684,530.80 = 281,115.02 : x
  2. Step 2: Convert to fraction form
    495,998.04/684,530.80 = 281,115.02/x
  3. Step 3: Cross multiply
    495,998.04x = 684,530.80 × 281,115.02
  4. Step 4: Simplify right side
    495,998.04x = 192,431,889,532.62
  5. Step 5: Solve for x
    x = 192,431,889,532.62/495,998.04
  6. Step 6: Final answer
    x = 387,969.05

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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.