Home / 1,533,623.23-2,116,557.52-921,974.01

Finding the Fourth Proportional to 1,533,623.23, 2,116,557.52 and 921,974.01

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Solution

The fourth proportional to 1,533,623.23, 2,116,557.52 and 921,974.01 is: 1,272,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,623.23 : 2,116,557.52 = 921,974.01 : x
  2. Step 2: Convert to fraction form
    1,533,623.23/2,116,557.52 = 921,974.01/x
  3. Step 3: Cross multiply
    1,533,623.23x = 2,116,557.52 × 921,974.01
  4. Step 4: Simplify right side
    1,533,623.23x = 1,951,411,019,054.13
  5. Step 5: Solve for x
    x = 1,951,411,019,054.13/1,533,623.23
  6. Step 6: Final answer
    x = 1,272,418.79

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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.