Home / 1,640,741.83-2,264,223.81-905,696.30

Finding the Fourth Proportional to 1,640,741.83, 2,264,223.81 and 905,696.30

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Solution

The fourth proportional to 1,640,741.83, 2,264,223.81 and 905,696.30 is: 1,249,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,741.83 : 2,264,223.81 = 905,696.30 : x
  2. Step 2: Convert to fraction form
    1,640,741.83/2,264,223.81 = 905,696.30/x
  3. Step 3: Cross multiply
    1,640,741.83x = 2,264,223.81 × 905,696.30
  4. Step 4: Simplify right side
    1,640,741.83x = 2,050,699,127,088.90
  5. Step 5: Solve for x
    x = 2,050,699,127,088.90/1,640,741.83
  6. Step 6: Final answer
    x = 1,249,860.94

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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.