Home / 1,667,640-2,501,433.54-530,385.78

Finding the Fourth Proportional to 1,667,640, 2,501,433.54 and 530,385.78

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Solution

The fourth proportional to 1,667,640, 2,501,433.54 and 530,385.78 is: 795,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,640 : 2,501,433.54 = 530,385.78 : x
  2. Step 2: Convert to fraction form
    1,667,640/2,501,433.54 = 530,385.78/x
  3. Step 3: Cross multiply
    1,667,640x = 2,501,433.54 × 530,385.78
  4. Step 4: Simplify right side
    1,667,640x = 1,326,724,779,231.06
  5. Step 5: Solve for x
    x = 1,326,724,779,231.06/1,667,640
  6. Step 6: Final answer
    x = 795,570.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.