Home / 1,191,548.21-1,644,347.52-647,685.25

Finding the Fourth Proportional to 1,191,548.21, 1,644,347.52 and 647,685.25

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Solution

The fourth proportional to 1,191,548.21, 1,644,347.52 and 647,685.25 is: 893,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,548.21 : 1,644,347.52 = 647,685.25 : x
  2. Step 2: Convert to fraction form
    1,191,548.21/1,644,347.52 = 647,685.25/x
  3. Step 3: Cross multiply
    1,191,548.21x = 1,644,347.52 × 647,685.25
  4. Step 4: Simplify right side
    1,191,548.21x = 1,065,019,630,467.21
  5. Step 5: Solve for x
    x = 1,065,019,630,467.21/1,191,548.21
  6. Step 6: Final answer
    x = 893,811.62

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Double scale
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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.