Home / 1,430,993.44-1,974,807.32-786,430

Finding the Fourth Proportional to 1,430,993.44, 1,974,807.32 and 786,430

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Solution

The fourth proportional to 1,430,993.44, 1,974,807.32 and 786,430 is: 1,085,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,993.44 : 1,974,807.32 = 786,430 : x
  2. Step 2: Convert to fraction form
    1,430,993.44/1,974,807.32 = 786,430/x
  3. Step 3: Cross multiply
    1,430,993.44x = 1,974,807.32 × 786,430
  4. Step 4: Simplify right side
    1,430,993.44x = 1,553,047,720,667.60
  5. Step 5: Solve for x
    x = 1,553,047,720,667.60/1,430,993.44
  6. Step 6: Final answer
    x = 1,085,293.39

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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.