Home / 938,541.06-1,407,810.87-339,361.74

Finding the Fourth Proportional to 938,541.06, 1,407,810.87 and 339,361.74

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Solution

The fourth proportional to 938,541.06, 1,407,810.87 and 339,361.74 is: 509,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,541.06 : 1,407,810.87 = 339,361.74 : x
  2. Step 2: Convert to fraction form
    938,541.06/1,407,810.87 = 339,361.74/x
  3. Step 3: Cross multiply
    938,541.06x = 1,407,810.87 × 339,361.74
  4. Step 4: Simplify right side
    938,541.06x = 477,757,146,434.11
  5. Step 5: Solve for x
    x = 477,757,146,434.11/938,541.06
  6. Step 6: Final answer
    x = 509,042.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.