Home / 1,570,911.96-2,354,372.91-812,611.02

Finding the Fourth Proportional to 1,570,911.96, 2,354,372.91 and 812,611.02

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Solution

The fourth proportional to 1,570,911.96, 2,354,372.91 and 812,611.02 is: 1,217,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,911.96 : 2,354,372.91 = 812,611.02 : x
  2. Step 2: Convert to fraction form
    1,570,911.96/2,354,372.91 = 812,611.02/x
  3. Step 3: Cross multiply
    1,570,911.96x = 2,354,372.91 × 812,611.02
  4. Step 4: Simplify right side
    1,570,911.96x = 1,913,189,371,855.47
  5. Step 5: Solve for x
    x = 1,913,189,371,855.47/1,570,911.96
  6. Step 6: Final answer
    x = 1,217,884.53

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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.