Home / 1,931,070.78-2,896,608.60-668,898.27

Finding the Fourth Proportional to 1,931,070.78, 2,896,608.60 and 668,898.27

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Solution

The fourth proportional to 1,931,070.78, 2,896,608.60 and 668,898.27 is: 1,003,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,070.78 : 2,896,608.60 = 668,898.27 : x
  2. Step 2: Convert to fraction form
    1,931,070.78/2,896,608.60 = 668,898.27/x
  3. Step 3: Cross multiply
    1,931,070.78x = 2,896,608.60 × 668,898.27
  4. Step 4: Simplify right side
    1,931,070.78x = 1,937,536,481,407.12
  5. Step 5: Solve for x
    x = 1,937,536,481,407.12/1,931,070.78
  6. Step 6: Final answer
    x = 1,003,348.25

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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.