Home / 1,196,133.12-1,650,690.95-679,805.19

Finding the Fourth Proportional to 1,196,133.12, 1,650,690.95 and 679,805.19

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Solution

The fourth proportional to 1,196,133.12, 1,650,690.95 and 679,805.19 is: 938,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,133.12 : 1,650,690.95 = 679,805.19 : x
  2. Step 2: Convert to fraction form
    1,196,133.12/1,650,690.95 = 679,805.19/x
  3. Step 3: Cross multiply
    1,196,133.12x = 1,650,690.95 × 679,805.19
  4. Step 4: Simplify right side
    1,196,133.12x = 1,122,148,271,497.00
  5. Step 5: Solve for x
    x = 1,122,148,271,497.00/1,196,133.12
  6. Step 6: Final answer
    x = 938,146.64

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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.