Home / 657,848.36-907,834.56-356,042.36

Finding the Fourth Proportional to 657,848.36, 907,834.56 and 356,042.36

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Solution

The fourth proportional to 657,848.36, 907,834.56 and 356,042.36 is: 491,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,848.36 : 907,834.56 = 356,042.36 : x
  2. Step 2: Convert to fraction form
    657,848.36/907,834.56 = 356,042.36/x
  3. Step 3: Cross multiply
    657,848.36x = 907,834.56 × 356,042.36
  4. Step 4: Simplify right side
    657,848.36x = 323,227,559,231.96
  5. Step 5: Solve for x
    x = 323,227,559,231.96/657,848.36
  6. Step 6: Final answer
    x = 491,340.53

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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.