Home / 938,113.56-1,294,661.42-570,734.02

Finding the Fourth Proportional to 938,113.56, 1,294,661.42 and 570,734.02

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Solution

The fourth proportional to 938,113.56, 1,294,661.42 and 570,734.02 is: 787,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,113.56 : 1,294,661.42 = 570,734.02 : x
  2. Step 2: Convert to fraction form
    938,113.56/1,294,661.42 = 570,734.02/x
  3. Step 3: Cross multiply
    938,113.56x = 1,294,661.42 × 570,734.02
  4. Step 4: Simplify right side
    938,113.56x = 738,907,316,775.51
  5. Step 5: Solve for x
    x = 738,907,316,775.51/938,113.56
  6. Step 6: Final answer
    x = 787,652.31

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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.