Home / 1,054,441.42-1,455,129.95-571,007.09

Finding the Fourth Proportional to 1,054,441.42, 1,455,129.95 and 571,007.09

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Solution

The fourth proportional to 1,054,441.42, 1,455,129.95 and 571,007.09 is: 787,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,441.42 : 1,455,129.95 = 571,007.09 : x
  2. Step 2: Convert to fraction form
    1,054,441.42/1,455,129.95 = 571,007.09/x
  3. Step 3: Cross multiply
    1,054,441.42x = 1,455,129.95 × 571,007.09
  4. Step 4: Simplify right side
    1,054,441.42x = 830,889,519,104.14
  5. Step 5: Solve for x
    x = 830,889,519,104.14/1,054,441.42
  6. Step 6: Final answer
    x = 787,990.21

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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.