Home / 1,191,598.34-1,644,421.58-647,742.47

Finding the Fourth Proportional to 1,191,598.34, 1,644,421.58 and 647,742.47

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Solution

The fourth proportional to 1,191,598.34, 1,644,421.58 and 647,742.47 is: 893,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,598.34 : 1,644,421.58 = 647,742.47 : x
  2. Step 2: Convert to fraction form
    1,191,598.34/1,644,421.58 = 647,742.47/x
  3. Step 3: Cross multiply
    1,191,598.34x = 1,644,421.58 × 647,742.47
  4. Step 4: Simplify right side
    1,191,598.34x = 1,065,161,684,489.68
  5. Step 5: Solve for x
    x = 1,065,161,684,489.68/1,191,598.34
  6. Step 6: Final answer
    x = 893,893.23

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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.