Home / 1,675,853.50-2,312,658.38-911,893.90

Finding the Fourth Proportional to 1,675,853.50, 2,312,658.38 and 911,893.90

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Solution

The fourth proportional to 1,675,853.50, 2,312,658.38 and 911,893.90 is: 1,258,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,853.50 : 2,312,658.38 = 911,893.90 : x
  2. Step 2: Convert to fraction form
    1,675,853.50/2,312,658.38 = 911,893.90/x
  3. Step 3: Cross multiply
    1,675,853.50x = 2,312,658.38 × 911,893.90
  4. Step 4: Simplify right side
    1,675,853.50x = 2,108,899,069,505.88
  5. Step 5: Solve for x
    x = 2,108,899,069,505.88/1,675,853.50
  6. Step 6: Final answer
    x = 1,258,403.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.