Home / 790,628.76-1,090,625.04-468,024.48

Finding the Fourth Proportional to 790,628.76, 1,090,625.04 and 468,024.48

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Solution

The fourth proportional to 790,628.76, 1,090,625.04 and 468,024.48 is: 645,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,628.76 : 1,090,625.04 = 468,024.48 : x
  2. Step 2: Convert to fraction form
    790,628.76/1,090,625.04 = 468,024.48/x
  3. Step 3: Cross multiply
    790,628.76x = 1,090,625.04 × 468,024.48
  4. Step 4: Simplify right side
    790,628.76x = 510,439,217,220.98
  5. Step 5: Solve for x
    x = 510,439,217,220.98/790,628.76
  6. Step 6: Final answer
    x = 645,611.75

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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.