Home / 340,123.35-470,017.58-255,092.79

Finding the Fourth Proportional to 340,123.35, 470,017.58 and 255,092.79

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Solution

The fourth proportional to 340,123.35, 470,017.58 and 255,092.79 is: 352,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,123.35 : 470,017.58 = 255,092.79 : x
  2. Step 2: Convert to fraction form
    340,123.35/470,017.58 = 255,092.79/x
  3. Step 3: Cross multiply
    340,123.35x = 470,017.58 × 255,092.79
  4. Step 4: Simplify right side
    340,123.35x = 119,898,094,555.78
  5. Step 5: Solve for x
    x = 119,898,094,555.78/340,123.35
  6. Step 6: Final answer
    x = 352,513.56

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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.