Home / 1,131,498.32-1,697,157.24-657,881.68

Finding the Fourth Proportional to 1,131,498.32, 1,697,157.24 and 657,881.68

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Solution

The fourth proportional to 1,131,498.32, 1,697,157.24 and 657,881.68 is: 986,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,498.32 : 1,697,157.24 = 657,881.68 : x
  2. Step 2: Convert to fraction form
    1,131,498.32/1,697,157.24 = 657,881.68/x
  3. Step 3: Cross multiply
    1,131,498.32x = 1,697,157.24 × 657,881.68
  4. Step 4: Simplify right side
    1,131,498.32x = 1,116,528,656,275.36
  5. Step 5: Solve for x
    x = 1,116,528,656,275.36/1,131,498.32
  6. Step 6: Final answer
    x = 986,770.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.