Home / 1,207,442.16-1,666,310.13-663,597.23

Finding the Fourth Proportional to 1,207,442.16, 1,666,310.13 and 663,597.23

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Solution

The fourth proportional to 1,207,442.16, 1,666,310.13 and 663,597.23 is: 915,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,442.16 : 1,666,310.13 = 663,597.23 : x
  2. Step 2: Convert to fraction form
    1,207,442.16/1,666,310.13 = 663,597.23/x
  3. Step 3: Cross multiply
    1,207,442.16x = 1,666,310.13 × 663,597.23
  4. Step 4: Simplify right side
    1,207,442.16x = 1,105,758,778,257.39
  5. Step 5: Solve for x
    x = 1,105,758,778,257.39/1,207,442.16
  6. Step 6: Final answer
    x = 915,786.13

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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.