Home / 823,089.48-1,135,907.64-460,491.72

Finding the Fourth Proportional to 823,089.48, 1,135,907.64 and 460,491.72

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Solution

The fourth proportional to 823,089.48, 1,135,907.64 and 460,491.72 is: 635,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,089.48 : 1,135,907.64 = 460,491.72 : x
  2. Step 2: Convert to fraction form
    823,089.48/1,135,907.64 = 460,491.72/x
  3. Step 3: Cross multiply
    823,089.48x = 1,135,907.64 × 460,491.72
  4. Step 4: Simplify right side
    823,089.48x = 523,076,062,904.74
  5. Step 5: Solve for x
    x = 523,076,062,904.74/823,089.48
  6. Step 6: Final answer
    x = 635,503.28

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1.5x scale

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.