Home / 370,482.04-511,288.77-227,222.56

Finding the Fourth Proportional to 370,482.04, 511,288.77 and 227,222.56

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Solution

The fourth proportional to 370,482.04, 511,288.77 and 227,222.56 is: 313,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,482.04 : 511,288.77 = 227,222.56 : x
  2. Step 2: Convert to fraction form
    370,482.04/511,288.77 = 227,222.56/x
  3. Step 3: Cross multiply
    370,482.04x = 511,288.77 × 227,222.56
  4. Step 4: Simplify right side
    370,482.04x = 116,176,343,218.65
  5. Step 5: Solve for x
    x = 116,176,343,218.65/370,482.04
  6. Step 6: Final answer
    x = 313,581.58

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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.