Home / 874,982.47-1,313,897.63-540,151.55

Finding the Fourth Proportional to 874,982.47, 1,313,897.63 and 540,151.55

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Solution

The fourth proportional to 874,982.47, 1,313,897.63 and 540,151.55 is: 811,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,982.47 : 1,313,897.63 = 540,151.55 : x
  2. Step 2: Convert to fraction form
    874,982.47/1,313,897.63 = 540,151.55/x
  3. Step 3: Cross multiply
    874,982.47x = 1,313,897.63 × 540,151.55
  4. Step 4: Simplify right side
    874,982.47x = 709,703,841,969.81
  5. Step 5: Solve for x
    x = 709,703,841,969.81/874,982.47
  6. Step 6: Final answer
    x = 811,106.36

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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.