Home / 1,330,111.60-1,834,896.30-785,984.12

Finding the Fourth Proportional to 1,330,111.60, 1,834,896.30 and 785,984.12

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Solution

The fourth proportional to 1,330,111.60, 1,834,896.30 and 785,984.12 is: 1,084,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,111.60 : 1,834,896.30 = 785,984.12 : x
  2. Step 2: Convert to fraction form
    1,330,111.60/1,834,896.30 = 785,984.12/x
  3. Step 3: Cross multiply
    1,330,111.60x = 1,834,896.30 × 785,984.12
  4. Step 4: Simplify right side
    1,330,111.60x = 1,442,199,353,646.76
  5. Step 5: Solve for x
    x = 1,442,199,353,646.76/1,330,111.60
  6. Step 6: Final answer
    x = 1,084,269.44

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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.