Home / 1,663,691.02-2,295,999.95-938,274.05

Finding the Fourth Proportional to 1,663,691.02, 2,295,999.95 and 938,274.05

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Solution

The fourth proportional to 1,663,691.02, 2,295,999.95 and 938,274.05 is: 1,294,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,691.02 : 2,295,999.95 = 938,274.05 : x
  2. Step 2: Convert to fraction form
    1,663,691.02/2,295,999.95 = 938,274.05/x
  3. Step 3: Cross multiply
    1,663,691.02x = 2,295,999.95 × 938,274.05
  4. Step 4: Simplify right side
    1,663,691.02x = 2,154,277,172,934.93
  5. Step 5: Solve for x
    x = 2,154,277,172,934.93/1,663,691.02
  6. Step 6: Final answer
    x = 1,294,878.17

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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.