Home / 404,631.10-606,946.65-255,040.30

Finding the Fourth Proportional to 404,631.10, 606,946.65 and 255,040.30

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Solution

The fourth proportional to 404,631.10, 606,946.65 and 255,040.30 is: 382,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,631.10 : 606,946.65 = 255,040.30 : x
  2. Step 2: Convert to fraction form
    404,631.10/606,946.65 = 255,040.30/x
  3. Step 3: Cross multiply
    404,631.10x = 606,946.65 × 255,040.30
  4. Step 4: Simplify right side
    404,631.10x = 154,795,855,700.00
  5. Step 5: Solve for x
    x = 154,795,855,700.00/404,631.10
  6. Step 6: Final answer
    x = 382,560.45

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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.