Home / 936,943.93-1,292,985.54-507,223.03

Finding the Fourth Proportional to 936,943.93, 1,292,985.54 and 507,223.03

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Solution

The fourth proportional to 936,943.93, 1,292,985.54 and 507,223.03 is: 699,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,943.93 : 1,292,985.54 = 507,223.03 : x
  2. Step 2: Convert to fraction form
    936,943.93/1,292,985.54 = 507,223.03/x
  3. Step 3: Cross multiply
    936,943.93x = 1,292,985.54 × 507,223.03
  4. Step 4: Simplify right side
    936,943.93x = 655,832,043,344.99
  5. Step 5: Solve for x
    x = 655,832,043,344.99/936,943.93
  6. Step 6: Final answer
    x = 699,969.36

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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.