Home / 495,008.25-683,090.70-280,160.19

Finding the Fourth Proportional to 495,008.25, 683,090.70 and 280,160.19

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Solution

The fourth proportional to 495,008.25, 683,090.70 and 280,160.19 is: 386,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,008.25 : 683,090.70 = 280,160.19 : x
  2. Step 2: Convert to fraction form
    495,008.25/683,090.70 = 280,160.19/x
  3. Step 3: Cross multiply
    495,008.25x = 683,090.70 × 280,160.19
  4. Step 4: Simplify right side
    495,008.25x = 191,374,820,299.23
  5. Step 5: Solve for x
    x = 191,374,820,299.23/495,008.25
  6. Step 6: Final answer
    x = 386,609.36

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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.