Home / 761,020.84-1,141,584.53-305,612.01

Finding the Fourth Proportional to 761,020.84, 1,141,584.53 and 305,612.01

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Solution

The fourth proportional to 761,020.84, 1,141,584.53 and 305,612.01 is: 458,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,020.84 : 1,141,584.53 = 305,612.01 : x
  2. Step 2: Convert to fraction form
    761,020.84/1,141,584.53 = 305,612.01/x
  3. Step 3: Cross multiply
    761,020.84x = 1,141,584.53 × 305,612.01
  4. Step 4: Simplify right side
    761,020.84x = 348,881,937,793.95
  5. Step 5: Solve for x
    x = 348,881,937,793.95/761,020.84
  6. Step 6: Final answer
    x = 458,439.40

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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.