Home / 1,663,103.63-2,294,945.54-938,129.53

Finding the Fourth Proportional to 1,663,103.63, 2,294,945.54 and 938,129.53

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Solution

The fourth proportional to 1,663,103.63, 2,294,945.54 and 938,129.53 is: 1,294,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,103.63 : 2,294,945.54 = 938,129.53 : x
  2. Step 2: Convert to fraction form
    1,663,103.63/2,294,945.54 = 938,129.53/x
  3. Step 3: Cross multiply
    1,663,103.63x = 2,294,945.54 × 938,129.53
  4. Step 4: Simplify right side
    1,663,103.63x = 2,152,956,169,341.07
  5. Step 5: Solve for x
    x = 2,152,956,169,341.07/1,663,103.63
  6. Step 6: Final answer
    x = 1,294,541.20

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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.