Home / 369,611.40-554,417.10-263,857.80

Finding the Fourth Proportional to 369,611.40, 554,417.10 and 263,857.80

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Solution

The fourth proportional to 369,611.40, 554,417.10 and 263,857.80 is: 395,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,611.40 : 554,417.10 = 263,857.80 : x
  2. Step 2: Convert to fraction form
    369,611.40/554,417.10 = 263,857.80/x
  3. Step 3: Cross multiply
    369,611.40x = 554,417.10 × 263,857.80
  4. Step 4: Simplify right side
    369,611.40x = 146,287,276,288.38
  5. Step 5: Solve for x
    x = 146,287,276,288.38/369,611.40
  6. Step 6: Final answer
    x = 395,786.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.