Home / 1,163,271.61-1,605,291.80-647,014.40

Finding the Fourth Proportional to 1,163,271.61, 1,605,291.80 and 647,014.40

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Solution

The fourth proportional to 1,163,271.61, 1,605,291.80 and 647,014.40 is: 892,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,271.61 : 1,605,291.80 = 647,014.40 : x
  2. Step 2: Convert to fraction form
    1,163,271.61/1,605,291.80 = 647,014.40/x
  3. Step 3: Cross multiply
    1,163,271.61x = 1,605,291.80 × 647,014.40
  4. Step 4: Simplify right side
    1,163,271.61x = 1,038,646,899,540.39
  5. Step 5: Solve for x
    x = 1,038,646,899,540.39/1,163,271.61
  6. Step 6: Final answer
    x = 892,867.06

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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.