Home / 626,939.37-865,441.16-423,266.15

Finding the Fourth Proportional to 626,939.37, 865,441.16 and 423,266.15

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Solution

The fourth proportional to 626,939.37, 865,441.16 and 423,266.15 is: 584,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,939.37 : 865,441.16 = 423,266.15 : x
  2. Step 2: Convert to fraction form
    626,939.37/865,441.16 = 423,266.15/x
  3. Step 3: Cross multiply
    626,939.37x = 865,441.16 × 423,266.15
  4. Step 4: Simplify right side
    626,939.37x = 366,311,941,401.20
  5. Step 5: Solve for x
    x = 366,311,941,401.20/626,939.37
  6. Step 6: Final answer
    x = 584,286.07

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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.