Home / 1,054,840.83-1,455,687.36-571,406

Finding the Fourth Proportional to 1,054,840.83, 1,455,687.36 and 571,406

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Solution

The fourth proportional to 1,054,840.83, 1,455,687.36 and 571,406 is: 788,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,840.83 : 1,455,687.36 = 571,406 : x
  2. Step 2: Convert to fraction form
    1,054,840.83/1,455,687.36 = 571,406/x
  3. Step 3: Cross multiply
    1,054,840.83x = 1,455,687.36 × 571,406
  4. Step 4: Simplify right side
    1,054,840.83x = 831,788,491,628.16
  5. Step 5: Solve for x
    x = 831,788,491,628.16/1,054,840.83
  6. Step 6: Final answer
    x = 788,544.08

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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.