Home / 1,207,862.52-1,666,870.83-664,020.96

Finding the Fourth Proportional to 1,207,862.52, 1,666,870.83 and 664,020.96

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Solution

The fourth proportional to 1,207,862.52, 1,666,870.83 and 664,020.96 is: 916,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,862.52 : 1,666,870.83 = 664,020.96 : x
  2. Step 2: Convert to fraction form
    1,207,862.52/1,666,870.83 = 664,020.96/x
  3. Step 3: Cross multiply
    1,207,862.52x = 1,666,870.83 × 664,020.96
  4. Step 4: Simplify right side
    1,207,862.52x = 1,106,837,168,732.60
  5. Step 5: Solve for x
    x = 1,106,837,168,732.60/1,207,862.52
  6. Step 6: Final answer
    x = 916,360.22

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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.