Home / 1,362,091.16-2,043,136.76-642,265.36

Finding the Fourth Proportional to 1,362,091.16, 2,043,136.76 and 642,265.36

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Solution

The fourth proportional to 1,362,091.16, 2,043,136.76 and 642,265.36 is: 963,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,091.16 : 2,043,136.76 = 642,265.36 : x
  2. Step 2: Convert to fraction form
    1,362,091.16/2,043,136.76 = 642,265.36/x
  3. Step 3: Cross multiply
    1,362,091.16x = 2,043,136.76 × 642,265.36
  4. Step 4: Simplify right side
    1,362,091.16x = 1,312,235,966,690.63
  5. Step 5: Solve for x
    x = 1,312,235,966,690.63/1,362,091.16
  6. Step 6: Final answer
    x = 963,398.05

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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.