Home / 3,983,615.40-5,975,423.10-991,799.40

Finding the Fourth Proportional to 3,983,615.40, 5,975,423.10 and 991,799.40

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Solution

The fourth proportional to 3,983,615.40, 5,975,423.10 and 991,799.40 is: 1,487,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983,615.40 : 5,975,423.10 = 991,799.40 : x
  2. Step 2: Convert to fraction form
    3,983,615.40/5,975,423.10 = 991,799.40/x
  3. Step 3: Cross multiply
    3,983,615.40x = 5,975,423.10 × 991,799.40
  4. Step 4: Simplify right side
    3,983,615.40x = 5,926,421,045,326.14
  5. Step 5: Solve for x
    x = 5,926,421,045,326.14/3,983,615.40
  6. Step 6: Final answer
    x = 1,487,699.10

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Similar ratio
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1.5x scale

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.