Home / 1,783,316.80-2,460,976.96-1,019,386.72

Finding the Fourth Proportional to 1,783,316.80, 2,460,976.96 and 1,019,386.72

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Solution

The fourth proportional to 1,783,316.80, 2,460,976.96 and 1,019,386.72 is: 1,406,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,316.80 : 2,460,976.96 = 1,019,386.72 : x
  2. Step 2: Convert to fraction form
    1,783,316.80/2,460,976.96 = 1,019,386.72/x
  3. Step 3: Cross multiply
    1,783,316.80x = 2,460,976.96 × 1,019,386.72
  4. Step 4: Simplify right side
    1,783,316.80x = 2,508,687,231,249.97
  5. Step 5: Solve for x
    x = 2,508,687,231,249.97/1,783,316.80
  6. Step 6: Final answer
    x = 1,406,753.55

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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.