Home / 960,990.51-1,326,100.31-531,236.81

Finding the Fourth Proportional to 960,990.51, 1,326,100.31 and 531,236.81

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Solution

The fourth proportional to 960,990.51, 1,326,100.31 and 531,236.81 is: 733,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,990.51 : 1,326,100.31 = 531,236.81 : x
  2. Step 2: Convert to fraction form
    960,990.51/1,326,100.31 = 531,236.81/x
  3. Step 3: Cross multiply
    960,990.51x = 1,326,100.31 × 531,236.81
  4. Step 4: Simplify right side
    960,990.51x = 704,473,301,075.62
  5. Step 5: Solve for x
    x = 704,473,301,075.62/960,990.51
  6. Step 6: Final answer
    x = 733,069.98

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1.5x scale

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.