Home / 1,463,856.54-2,020,121.72-819,276.69

Finding the Fourth Proportional to 1,463,856.54, 2,020,121.72 and 819,276.69

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Solution

The fourth proportional to 1,463,856.54, 2,020,121.72 and 819,276.69 is: 1,130,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,856.54 : 2,020,121.72 = 819,276.69 : x
  2. Step 2: Convert to fraction form
    1,463,856.54/2,020,121.72 = 819,276.69/x
  3. Step 3: Cross multiply
    1,463,856.54x = 2,020,121.72 × 819,276.69
  4. Step 4: Simplify right side
    1,463,856.54x = 1,655,038,632,062.32
  5. Step 5: Solve for x
    x = 1,655,038,632,062.32/1,463,856.54
  6. Step 6: Final answer
    x = 1,130,601.66

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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.