Home / 1,191,341.21-1,644,289.99-707,813.28

Finding the Fourth Proportional to 1,191,341.21, 1,644,289.99 and 707,813.28

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Solution

The fourth proportional to 1,191,341.21, 1,644,289.99 and 707,813.28 is: 976,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,341.21 : 1,644,289.99 = 707,813.28 : x
  2. Step 2: Convert to fraction form
    1,191,341.21/1,644,289.99 = 707,813.28/x
  3. Step 3: Cross multiply
    1,191,341.21x = 1,644,289.99 × 707,813.28
  4. Step 4: Simplify right side
    1,191,341.21x = 1,163,850,289,323.53
  5. Step 5: Solve for x
    x = 1,163,850,289,323.53/1,191,341.21
  6. Step 6: Final answer
    x = 976,924.40

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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.