Home / 927,804.89-1,280,349.09-545,856.27

Finding the Fourth Proportional to 927,804.89, 1,280,349.09 and 545,856.27

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Solution

The fourth proportional to 927,804.89, 1,280,349.09 and 545,856.27 is: 753,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,804.89 : 1,280,349.09 = 545,856.27 : x
  2. Step 2: Convert to fraction form
    927,804.89/1,280,349.09 = 545,856.27/x
  3. Step 3: Cross multiply
    927,804.89x = 1,280,349.09 × 545,856.27
  4. Step 4: Simplify right side
    927,804.89x = 698,886,578,565.29
  5. Step 5: Solve for x
    x = 698,886,578,565.29/927,804.89
  6. Step 6: Final answer
    x = 753,268.91

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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.