Home / 936,935.42-1,292,971.31-507,215.54

Finding the Fourth Proportional to 936,935.42, 1,292,971.31 and 507,215.54

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Solution

The fourth proportional to 936,935.42, 1,292,971.31 and 507,215.54 is: 699,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,935.42 : 1,292,971.31 = 507,215.54 : x
  2. Step 2: Convert to fraction form
    936,935.42/1,292,971.31 = 507,215.54/x
  3. Step 3: Cross multiply
    936,935.42x = 1,292,971.31 × 507,215.54
  4. Step 4: Simplify right side
    936,935.42x = 655,815,144,802.34
  5. Step 5: Solve for x
    x = 655,815,144,802.34/936,935.42
  6. Step 6: Final answer
    x = 699,957.69

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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.