Home / 1,111,812.48-1,667,702.32-353,699.87

Finding the Fourth Proportional to 1,111,812.48, 1,667,702.32 and 353,699.87

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Solution

The fourth proportional to 1,111,812.48, 1,667,702.32 and 353,699.87 is: 530,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,812.48 : 1,667,702.32 = 353,699.87 : x
  2. Step 2: Convert to fraction form
    1,111,812.48/1,667,702.32 = 353,699.87/x
  3. Step 3: Cross multiply
    1,111,812.48x = 1,667,702.32 × 353,699.87
  4. Step 4: Simplify right side
    1,111,812.48x = 589,866,084,559.94
  5. Step 5: Solve for x
    x = 589,866,084,559.94/1,111,812.48
  6. Step 6: Final answer
    x = 530,544.58

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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.