Home / 1,681,830.60-2,320,932.66-917,901

Finding the Fourth Proportional to 1,681,830.60, 2,320,932.66 and 917,901

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Solution

The fourth proportional to 1,681,830.60, 2,320,932.66 and 917,901 is: 1,266,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,830.60 : 2,320,932.66 = 917,901 : x
  2. Step 2: Convert to fraction form
    1,681,830.60/2,320,932.66 = 917,901/x
  3. Step 3: Cross multiply
    1,681,830.60x = 2,320,932.66 × 917,901
  4. Step 4: Simplify right side
    1,681,830.60x = 2,130,386,409,546.66
  5. Step 5: Solve for x
    x = 2,130,386,409,546.66/1,681,830.60
  6. Step 6: Final answer
    x = 1,266,706.89

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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.