Home / 928,485.75-1,281,329.78-526,077.75

Finding the Fourth Proportional to 928,485.75, 1,281,329.78 and 526,077.75

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Solution

The fourth proportional to 928,485.75, 1,281,329.78 and 526,077.75 is: 725,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,485.75 : 1,281,329.78 = 526,077.75 : x
  2. Step 2: Convert to fraction form
    928,485.75/1,281,329.78 = 526,077.75/x
  3. Step 3: Cross multiply
    928,485.75x = 1,281,329.78 × 526,077.75
  4. Step 4: Simplify right side
    928,485.75x = 674,079,087,670.40
  5. Step 5: Solve for x
    x = 674,079,087,670.40/928,485.75
  6. Step 6: Final answer
    x = 725,998.31

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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.