Home / 459,461.73-633,964.28-268,438.22

Finding the Fourth Proportional to 459,461.73, 633,964.28 and 268,438.22

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Solution

The fourth proportional to 459,461.73, 633,964.28 and 268,438.22 is: 370,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,461.73 : 633,964.28 = 268,438.22 : x
  2. Step 2: Convert to fraction form
    459,461.73/633,964.28 = 268,438.22/x
  3. Step 3: Cross multiply
    459,461.73x = 633,964.28 × 268,438.22
  4. Step 4: Simplify right side
    459,461.73x = 170,180,238,354.77
  5. Step 5: Solve for x
    x = 170,180,238,354.77/459,461.73
  6. Step 6: Final answer
    x = 370,390.45

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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.