Home / 992,674.44-1,488,871.04-318,666.98

Finding the Fourth Proportional to 992,674.44, 1,488,871.04 and 318,666.98

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Solution

The fourth proportional to 992,674.44, 1,488,871.04 and 318,666.98 is: 477,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,674.44 : 1,488,871.04 = 318,666.98 : x
  2. Step 2: Convert to fraction form
    992,674.44/1,488,871.04 = 318,666.98/x
  3. Step 3: Cross multiply
    992,674.44x = 1,488,871.04 × 318,666.98
  4. Step 4: Simplify right side
    992,674.44x = 474,454,037,926.26
  5. Step 5: Solve for x
    x = 474,454,037,926.26/992,674.44
  6. Step 6: Final answer
    x = 477,955.33

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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.