Home / 1,054,835.28-1,455,679.68-571,400.44

Finding the Fourth Proportional to 1,054,835.28, 1,455,679.68 and 571,400.44

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Solution

The fourth proportional to 1,054,835.28, 1,455,679.68 and 571,400.44 is: 788,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,835.28 : 1,455,679.68 = 571,400.44 : x
  2. Step 2: Convert to fraction form
    1,054,835.28/1,455,679.68 = 571,400.44/x
  3. Step 3: Cross multiply
    1,054,835.28x = 1,455,679.68 × 571,400.44
  4. Step 4: Simplify right side
    1,054,835.28x = 831,776,009,651.06
  5. Step 5: Solve for x
    x = 831,776,009,651.06/1,054,835.28
  6. Step 6: Final answer
    x = 788,536.40

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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.