Home / 936,939.56-1,292,977.02-507,219.69

Finding the Fourth Proportional to 936,939.56, 1,292,977.02 and 507,219.69

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Solution

The fourth proportional to 936,939.56, 1,292,977.02 and 507,219.69 is: 699,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,939.56 : 1,292,977.02 = 507,219.69 : x
  2. Step 2: Convert to fraction form
    936,939.56/1,292,977.02 = 507,219.69/x
  3. Step 3: Cross multiply
    936,939.56x = 1,292,977.02 × 507,219.69
  4. Step 4: Simplify right side
    936,939.56x = 655,823,403,261.52
  5. Step 5: Solve for x
    x = 655,823,403,261.52/936,939.56
  6. Step 6: Final answer
    x = 699,963.40

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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.