Home / 370,823.81-511,746.86-227,498.76

Finding the Fourth Proportional to 370,823.81, 511,746.86 and 227,498.76

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Solution

The fourth proportional to 370,823.81, 511,746.86 and 227,498.76 is: 313,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,823.81 : 511,746.86 = 227,498.76 : x
  2. Step 2: Convert to fraction form
    370,823.81/511,746.86 = 227,498.76/x
  3. Step 3: Cross multiply
    370,823.81x = 511,746.86 × 227,498.76
  4. Step 4: Simplify right side
    370,823.81x = 116,421,776,652.64
  5. Step 5: Solve for x
    x = 116,421,776,652.64/370,823.81
  6. Step 6: Final answer
    x = 313,954.43

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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.