Home / 936,845.10-1,292,846.55-507,123.90

Finding the Fourth Proportional to 936,845.10, 1,292,846.55 and 507,123.90

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Solution

The fourth proportional to 936,845.10, 1,292,846.55 and 507,123.90 is: 699,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,845.10 : 1,292,846.55 = 507,123.90 : x
  2. Step 2: Convert to fraction form
    936,845.10/1,292,846.55 = 507,123.90/x
  3. Step 3: Cross multiply
    936,845.10x = 1,292,846.55 × 507,123.90
  4. Step 4: Simplify right side
    936,845.10x = 655,633,384,537.55
  5. Step 5: Solve for x
    x = 655,633,384,537.55/936,845.10
  6. Step 6: Final answer
    x = 699,831.15

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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.