Home / 657,366.10-907,146.81-370,912.84

Finding the Fourth Proportional to 657,366.10, 907,146.81 and 370,912.84

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Solution

The fourth proportional to 657,366.10, 907,146.81 and 370,912.84 is: 511,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,366.10 : 907,146.81 = 370,912.84 : x
  2. Step 2: Convert to fraction form
    657,366.10/907,146.81 = 370,912.84/x
  3. Step 3: Cross multiply
    657,366.10x = 907,146.81 × 370,912.84
  4. Step 4: Simplify right side
    657,366.10x = 336,472,397,326.17
  5. Step 5: Solve for x
    x = 336,472,397,326.17/657,366.10
  6. Step 6: Final answer
    x = 511,849.33

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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.