Home / 1,191,574.08-1,644,375.20-647,708.90

Finding the Fourth Proportional to 1,191,574.08, 1,644,375.20 and 647,708.90

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Solution

The fourth proportional to 1,191,574.08, 1,644,375.20 and 647,708.90 is: 893,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,574.08 : 1,644,375.20 = 647,708.90 : x
  2. Step 2: Convert to fraction form
    1,191,574.08/1,644,375.20 = 647,708.90/x
  3. Step 3: Cross multiply
    1,191,574.08x = 1,644,375.20 × 647,708.90
  4. Step 4: Simplify right side
    1,191,574.08x = 1,065,076,440,518.86
  5. Step 5: Solve for x
    x = 1,065,076,440,518.86/1,191,574.08
  6. Step 6: Final answer
    x = 893,839.89

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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.