Home / 356,923.26-492,569.51-213,655.62

Finding the Fourth Proportional to 356,923.26, 492,569.51 and 213,655.62

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Solution

The fourth proportional to 356,923.26, 492,569.51 and 213,655.62 is: 294,853.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,923.26 : 492,569.51 = 213,655.62 : x
  2. Step 2: Convert to fraction form
    356,923.26/492,569.51 = 213,655.62/x
  3. Step 3: Cross multiply
    356,923.26x = 492,569.51 × 213,655.62
  4. Step 4: Simplify right side
    356,923.26x = 105,240,244,831.00
  5. Step 5: Solve for x
    x = 105,240,244,831.00/356,923.26
  6. Step 6: Final answer
    x = 294,853.98

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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.