Home / 1,971,898.55-2,958,174.69-692,173.95

Finding the Fourth Proportional to 1,971,898.55, 2,958,174.69 and 692,173.95

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Solution

The fourth proportional to 1,971,898.55, 2,958,174.69 and 692,173.95 is: 1,038,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,898.55 : 2,958,174.69 = 692,173.95 : x
  2. Step 2: Convert to fraction form
    1,971,898.55/2,958,174.69 = 692,173.95/x
  3. Step 3: Cross multiply
    1,971,898.55x = 2,958,174.69 × 692,173.95
  4. Step 4: Simplify right side
    1,971,898.55x = 2,047,571,459,967.33
  5. Step 5: Solve for x
    x = 2,047,571,459,967.33/1,971,898.55
  6. Step 6: Final answer
    x = 1,038,375.66

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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.