Home / 1,298,101.30-1,946,806.35-399,541.30

Finding the Fourth Proportional to 1,298,101.30, 1,946,806.35 and 399,541.30

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Solution

The fourth proportional to 1,298,101.30, 1,946,806.35 and 399,541.30 is: 599,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,101.30 : 1,946,806.35 = 399,541.30 : x
  2. Step 2: Convert to fraction form
    1,298,101.30/1,946,806.35 = 399,541.30/x
  3. Step 3: Cross multiply
    1,298,101.30x = 1,946,806.35 × 399,541.30
  4. Step 4: Simplify right side
    1,298,101.30x = 777,829,539,927.26
  5. Step 5: Solve for x
    x = 777,829,539,927.26/1,298,101.30
  6. Step 6: Final answer
    x = 599,205.58

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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.