Home / 1,075,807.60-1,613,711.40-327,890.80

Finding the Fourth Proportional to 1,075,807.60, 1,613,711.40 and 327,890.80

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Solution

The fourth proportional to 1,075,807.60, 1,613,711.40 and 327,890.80 is: 491,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,807.60 : 1,613,711.40 = 327,890.80 : x
  2. Step 2: Convert to fraction form
    1,075,807.60/1,613,711.40 = 327,890.80/x
  3. Step 3: Cross multiply
    1,075,807.60x = 1,613,711.40 × 327,890.80
  4. Step 4: Simplify right side
    1,075,807.60x = 529,121,121,915.12
  5. Step 5: Solve for x
    x = 529,121,121,915.12/1,075,807.60
  6. Step 6: Final answer
    x = 491,836.20

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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.