Home / 657,270.07-907,041.50-370,789.27

Finding the Fourth Proportional to 657,270.07, 907,041.50 and 370,789.27

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Solution

The fourth proportional to 657,270.07, 907,041.50 and 370,789.27 is: 511,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,270.07 : 907,041.50 = 370,789.27 : x
  2. Step 2: Convert to fraction form
    657,270.07/907,041.50 = 370,789.27/x
  3. Step 3: Cross multiply
    657,270.07x = 907,041.50 × 370,789.27
  4. Step 4: Simplify right side
    657,270.07x = 336,321,255,644.71
  5. Step 5: Solve for x
    x = 336,321,255,644.71/657,270.07
  6. Step 6: Final answer
    x = 511,694.16

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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.