Home / 657,851.04-907,842.01-385,923.57

Finding the Fourth Proportional to 657,851.04, 907,842.01 and 385,923.57

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Solution

The fourth proportional to 657,851.04, 907,842.01 and 385,923.57 is: 532,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,851.04 : 907,842.01 = 385,923.57 : x
  2. Step 2: Convert to fraction form
    657,851.04/907,842.01 = 385,923.57/x
  3. Step 3: Cross multiply
    657,851.04x = 907,842.01 × 385,923.57
  4. Step 4: Simplify right side
    657,851.04x = 350,357,629,495.18
  5. Step 5: Solve for x
    x = 350,357,629,495.18/657,851.04
  6. Step 6: Final answer
    x = 532,578.97

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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.