Home / 1,984,097.38-2,975,432.45-686,897.53

Finding the Fourth Proportional to 1,984,097.38, 2,975,432.45 and 686,897.53

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Solution

The fourth proportional to 1,984,097.38, 2,975,432.45 and 686,897.53 is: 1,030,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,097.38 : 2,975,432.45 = 686,897.53 : x
  2. Step 2: Convert to fraction form
    1,984,097.38/2,975,432.45 = 686,897.53/x
  3. Step 3: Cross multiply
    1,984,097.38x = 2,975,432.45 × 686,897.53
  4. Step 4: Simplify right side
    1,984,097.38x = 2,043,817,185,709.69
  5. Step 5: Solve for x
    x = 2,043,817,185,709.69/1,984,097.38
  6. Step 6: Final answer
    x = 1,030,099.23

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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.