Home / 756,738.18-1,043,213.63-595,312.97

Finding the Fourth Proportional to 756,738.18, 1,043,213.63 and 595,312.97

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Solution

The fourth proportional to 756,738.18, 1,043,213.63 and 595,312.97 is: 820,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,738.18 : 1,043,213.63 = 595,312.97 : x
  2. Step 2: Convert to fraction form
    756,738.18/1,043,213.63 = 595,312.97/x
  3. Step 3: Cross multiply
    756,738.18x = 1,043,213.63 × 595,312.97
  4. Step 4: Simplify right side
    756,738.18x = 621,038,596,227.15
  5. Step 5: Solve for x
    x = 621,038,596,227.15/756,738.18
  6. Step 6: Final answer
    x = 820,678.29

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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.