Home / 781,141.79-1,077,932.30-436,911.23

Finding the Fourth Proportional to 781,141.79, 1,077,932.30 and 436,911.23

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Solution

The fourth proportional to 781,141.79, 1,077,932.30 and 436,911.23 is: 602,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,141.79 : 1,077,932.30 = 436,911.23 : x
  2. Step 2: Convert to fraction form
    781,141.79/1,077,932.30 = 436,911.23/x
  3. Step 3: Cross multiply
    781,141.79x = 1,077,932.30 × 436,911.23
  4. Step 4: Simplify right side
    781,141.79x = 470,960,725,447.18
  5. Step 5: Solve for x
    x = 470,960,725,447.18/781,141.79
  6. Step 6: Final answer
    x = 602,913.24

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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.