Home / 927,816.16-1,280,364.56-545,867.52

Finding the Fourth Proportional to 927,816.16, 1,280,364.56 and 545,867.52

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Solution

The fourth proportional to 927,816.16, 1,280,364.56 and 545,867.52 is: 753,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,816.16 : 1,280,364.56 = 545,867.52 : x
  2. Step 2: Convert to fraction form
    927,816.16/1,280,364.56 = 545,867.52/x
  3. Step 3: Cross multiply
    927,816.16x = 1,280,364.56 × 545,867.52
  4. Step 4: Simplify right side
    927,816.16x = 698,909,427,063.09
  5. Step 5: Solve for x
    x = 698,909,427,063.09/927,816.16
  6. Step 6: Final answer
    x = 753,284.39

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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.