Home / 1,416,501.41-2,124,394.90-405,629.91

Finding the Fourth Proportional to 1,416,501.41, 2,124,394.90 and 405,629.91

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Solution

The fourth proportional to 1,416,501.41, 2,124,394.90 and 405,629.91 is: 608,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,501.41 : 2,124,394.90 = 405,629.91 : x
  2. Step 2: Convert to fraction form
    1,416,501.41/2,124,394.90 = 405,629.91/x
  3. Step 3: Cross multiply
    1,416,501.41x = 2,124,394.90 × 405,629.91
  4. Step 4: Simplify right side
    1,416,501.41x = 861,718,111,077.38
  5. Step 5: Solve for x
    x = 861,718,111,077.38/1,416,501.41
  6. Step 6: Final answer
    x = 608,342.57

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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.