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Finding the Fourth Proportional to 1,229,538, 1,696,775.40 and 692,994

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Solution

The fourth proportional to 1,229,538, 1,696,775.40 and 692,994 is: 956,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,538 : 1,696,775.40 = 692,994 : x
  2. Step 2: Convert to fraction form
    1,229,538/1,696,775.40 = 692,994/x
  3. Step 3: Cross multiply
    1,229,538x = 1,696,775.40 × 692,994
  4. Step 4: Simplify right side
    1,229,538x = 1,175,855,171,547.60
  5. Step 5: Solve for x
    x = 1,175,855,171,547.60/1,229,538
  6. Step 6: Final answer
    x = 956,339.02

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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.