Home / 495,230.24-683,434.08-280,365.92

Finding the Fourth Proportional to 495,230.24, 683,434.08 and 280,365.92

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Solution

The fourth proportional to 495,230.24, 683,434.08 and 280,365.92 is: 386,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,230.24 : 683,434.08 = 280,365.92 : x
  2. Step 2: Convert to fraction form
    495,230.24/683,434.08 = 280,365.92/x
  3. Step 3: Cross multiply
    495,230.24x = 683,434.08 × 280,365.92
  4. Step 4: Simplify right side
    495,230.24x = 191,611,624,598.55
  5. Step 5: Solve for x
    x = 191,611,624,598.55/495,230.24
  6. Step 6: Final answer
    x = 386,914.23

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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.