Home / 626,939.46-865,441.29-423,266.25

Finding the Fourth Proportional to 626,939.46, 865,441.29 and 423,266.25

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Solution

The fourth proportional to 626,939.46, 865,441.29 and 423,266.25 is: 584,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,939.46 : 865,441.29 = 423,266.25 : x
  2. Step 2: Convert to fraction form
    626,939.46/865,441.29 = 423,266.25/x
  3. Step 3: Cross multiply
    626,939.46x = 865,441.29 × 423,266.25
  4. Step 4: Simplify right side
    626,939.46x = 366,312,082,969.93
  5. Step 5: Solve for x
    x = 366,312,082,969.93/626,939.46
  6. Step 6: Final answer
    x = 584,286.21

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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.