Home / 1,207,393.96-1,666,123.06-663,518.04

Finding the Fourth Proportional to 1,207,393.96, 1,666,123.06 and 663,518.04

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Solution

The fourth proportional to 1,207,393.96, 1,666,123.06 and 663,518.04 is: 915,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,393.96 : 1,666,123.06 = 663,518.04 : x
  2. Step 2: Convert to fraction form
    1,207,393.96/1,666,123.06 = 663,518.04/x
  3. Step 3: Cross multiply
    1,207,393.96x = 1,666,123.06 × 663,518.04
  4. Step 4: Simplify right side
    1,207,393.96x = 1,105,502,707,170.00
  5. Step 5: Solve for x
    x = 1,105,502,707,170.00/1,207,393.96
  6. Step 6: Final answer
    x = 915,610.60

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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.