Home / 1,656,418.95-2,285,996.24-921,511.69

Finding the Fourth Proportional to 1,656,418.95, 2,285,996.24 and 921,511.69

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Solution

The fourth proportional to 1,656,418.95, 2,285,996.24 and 921,511.69 is: 1,271,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,418.95 : 2,285,996.24 = 921,511.69 : x
  2. Step 2: Convert to fraction form
    1,656,418.95/2,285,996.24 = 921,511.69/x
  3. Step 3: Cross multiply
    1,656,418.95x = 2,285,996.24 × 921,511.69
  4. Step 4: Simplify right side
    1,656,418.95x = 2,106,572,255,044.83
  5. Step 5: Solve for x
    x = 2,106,572,255,044.83/1,656,418.95
  6. Step 6: Final answer
    x = 1,271,762.95

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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.