Home / 1,112,532.96-1,667,809.60-402,403.04

Finding the Fourth Proportional to 1,112,532.96, 1,667,809.60 and 402,403.04

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Solution

The fourth proportional to 1,112,532.96, 1,667,809.60 and 402,403.04 is: 603,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,532.96 : 1,667,809.60 = 402,403.04 : x
  2. Step 2: Convert to fraction form
    1,112,532.96/1,667,809.60 = 402,403.04/x
  3. Step 3: Cross multiply
    1,112,532.96x = 1,667,809.60 × 402,403.04
  4. Step 4: Simplify right side
    1,112,532.96x = 671,131,653,181.18
  5. Step 5: Solve for x
    x = 671,131,653,181.18/1,112,532.96
  6. Step 6: Final answer
    x = 603,246.53

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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.