Home / 947,860.71-1,308,282.84-540,204.33

Finding the Fourth Proportional to 947,860.71, 1,308,282.84 and 540,204.33

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Solution

The fourth proportional to 947,860.71, 1,308,282.84 and 540,204.33 is: 745,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,860.71 : 1,308,282.84 = 540,204.33 : x
  2. Step 2: Convert to fraction form
    947,860.71/1,308,282.84 = 540,204.33/x
  3. Step 3: Cross multiply
    947,860.71x = 1,308,282.84 × 540,204.33
  4. Step 4: Simplify right side
    947,860.71x = 706,740,055,032.70
  5. Step 5: Solve for x
    x = 706,740,055,032.70/947,860.71
  6. Step 6: Final answer
    x = 745,615.94

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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.