Home / 836,112.79-1,153,838.96-454,145.95

Finding the Fourth Proportional to 836,112.79, 1,153,838.96 and 454,145.95

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Solution

The fourth proportional to 836,112.79, 1,153,838.96 and 454,145.95 is: 626,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,112.79 : 1,153,838.96 = 454,145.95 : x
  2. Step 2: Convert to fraction form
    836,112.79/1,153,838.96 = 454,145.95/x
  3. Step 3: Cross multiply
    836,112.79x = 1,153,838.96 × 454,145.95
  4. Step 4: Simplify right side
    836,112.79x = 524,011,290,636.21
  5. Step 5: Solve for x
    x = 524,011,290,636.21/836,112.79
  6. Step 6: Final answer
    x = 626,723.21

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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.