Home / 927,736.56-1,280,290.08-540,543.60

Finding the Fourth Proportional to 927,736.56, 1,280,290.08 and 540,543.60

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Solution

The fourth proportional to 927,736.56, 1,280,290.08 and 540,543.60 is: 745,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,736.56 : 1,280,290.08 = 540,543.60 : x
  2. Step 2: Convert to fraction form
    927,736.56/1,280,290.08 = 540,543.60/x
  3. Step 3: Cross multiply
    927,736.56x = 1,280,290.08 × 540,543.60
  4. Step 4: Simplify right side
    927,736.56x = 692,052,608,887.49
  5. Step 5: Solve for x
    x = 692,052,608,887.49/927,736.56
  6. Step 6: Final answer
    x = 745,958.11

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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.