Home / 1,117,995.64-1,542,880.34-634,605.76

Finding the Fourth Proportional to 1,117,995.64, 1,542,880.34 and 634,605.76

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Solution

The fourth proportional to 1,117,995.64, 1,542,880.34 and 634,605.76 is: 875,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,995.64 : 1,542,880.34 = 634,605.76 : x
  2. Step 2: Convert to fraction form
    1,117,995.64/1,542,880.34 = 634,605.76/x
  3. Step 3: Cross multiply
    1,117,995.64x = 1,542,880.34 × 634,605.76
  4. Step 4: Simplify right side
    1,117,995.64x = 979,120,750,754.76
  5. Step 5: Solve for x
    x = 979,120,750,754.76/1,117,995.64
  6. Step 6: Final answer
    x = 875,782.26

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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.