Home / 1,330,999.30-1,996,498.95-622,411.30

Finding the Fourth Proportional to 1,330,999.30, 1,996,498.95 and 622,411.30

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Solution

The fourth proportional to 1,330,999.30, 1,996,498.95 and 622,411.30 is: 933,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,999.30 : 1,996,498.95 = 622,411.30 : x
  2. Step 2: Convert to fraction form
    1,330,999.30/1,996,498.95 = 622,411.30/x
  3. Step 3: Cross multiply
    1,330,999.30x = 1,996,498.95 × 622,411.30
  4. Step 4: Simplify right side
    1,330,999.30x = 1,242,643,506,918.14
  5. Step 5: Solve for x
    x = 1,242,643,506,918.14/1,330,999.30
  6. Step 6: Final answer
    x = 933,616.95

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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.