Home / 1,663,103.50-2,294,945.37-938,129.40

Finding the Fourth Proportional to 1,663,103.50, 2,294,945.37 and 938,129.40

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Solution

The fourth proportional to 1,663,103.50, 2,294,945.37 and 938,129.40 is: 1,294,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,103.50 : 2,294,945.37 = 938,129.40 : x
  2. Step 2: Convert to fraction form
    1,663,103.50/2,294,945.37 = 938,129.40/x
  3. Step 3: Cross multiply
    1,663,103.50x = 2,294,945.37 × 938,129.40
  4. Step 4: Simplify right side
    1,663,103.50x = 2,152,955,731,596.92
  5. Step 5: Solve for x
    x = 2,152,955,731,596.92/1,663,103.50
  6. Step 6: Final answer
    x = 1,294,541.04

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1.5x scale

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.