Home / 1,181,195.87-1,630,036.10-671,897.03

Finding the Fourth Proportional to 1,181,195.87, 1,630,036.10 and 671,897.03

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Solution

The fourth proportional to 1,181,195.87, 1,630,036.10 and 671,897.03 is: 927,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,195.87 : 1,630,036.10 = 671,897.03 : x
  2. Step 2: Convert to fraction form
    1,181,195.87/1,630,036.10 = 671,897.03/x
  3. Step 3: Cross multiply
    1,181,195.87x = 1,630,036.10 × 671,897.03
  4. Step 4: Simplify right side
    1,181,195.87x = 1,095,216,407,912.35
  5. Step 5: Solve for x
    x = 1,095,216,407,912.35/1,181,195.87
  6. Step 6: Final answer
    x = 927,209.82

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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.