Home / 495,206.44-683,427.18-280,384.36

Finding the Fourth Proportional to 495,206.44, 683,427.18 and 280,384.36

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Solution

The fourth proportional to 495,206.44, 683,427.18 and 280,384.36 is: 386,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,206.44 : 683,427.18 = 280,384.36 : x
  2. Step 2: Convert to fraction form
    495,206.44/683,427.18 = 280,384.36/x
  3. Step 3: Cross multiply
    495,206.44x = 683,427.18 × 280,384.36
  4. Step 4: Simplify right side
    495,206.44x = 191,622,292,470.91
  5. Step 5: Solve for x
    x = 191,622,292,470.91/495,206.44
  6. Step 6: Final answer
    x = 386,954.36

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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.