Home / 1,091,572.90-1,635,804.15-805,027.30

Finding the Fourth Proportional to 1,091,572.90, 1,635,804.15 and 805,027.30

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Solution

The fourth proportional to 1,091,572.90, 1,635,804.15 and 805,027.30 is: 1,206,394.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,572.90 : 1,635,804.15 = 805,027.30 : x
  2. Step 2: Convert to fraction form
    1,091,572.90/1,635,804.15 = 805,027.30/x
  3. Step 3: Cross multiply
    1,091,572.90x = 1,635,804.15 × 805,027.30
  4. Step 4: Simplify right side
    1,091,572.90x = 1,316,866,998,203.30
  5. Step 5: Solve for x
    x = 1,316,866,998,203.30/1,091,572.90
  6. Step 6: Final answer
    x = 1,206,394.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.