Home / 1,314,681.84-1,972,036.80-416,106.72

Finding the Fourth Proportional to 1,314,681.84, 1,972,036.80 and 416,106.72

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Solution

The fourth proportional to 1,314,681.84, 1,972,036.80 and 416,106.72 is: 624,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,681.84 : 1,972,036.80 = 416,106.72 : x
  2. Step 2: Convert to fraction form
    1,314,681.84/1,972,036.80 = 416,106.72/x
  3. Step 3: Cross multiply
    1,314,681.84x = 1,972,036.80 × 416,106.72
  4. Step 4: Simplify right side
    1,314,681.84x = 820,577,764,567.30
  5. Step 5: Solve for x
    x = 820,577,764,567.30/1,314,681.84
  6. Step 6: Final answer
    x = 624,164.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.