Home / 657,403.09-986,476.42-357,904.37

Finding the Fourth Proportional to 657,403.09, 986,476.42 and 357,904.37

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Solution

The fourth proportional to 657,403.09, 986,476.42 and 357,904.37 is: 537,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,403.09 : 986,476.42 = 357,904.37 : x
  2. Step 2: Convert to fraction form
    657,403.09/986,476.42 = 357,904.37/x
  3. Step 3: Cross multiply
    657,403.09x = 986,476.42 × 357,904.37
  4. Step 4: Simplify right side
    657,403.09x = 353,064,224,533.53
  5. Step 5: Solve for x
    x = 353,064,224,533.53/657,403.09
  6. Step 6: Final answer
    x = 537,058.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.