Home / 1,054,551.32-1,455,272.63-571,105.25

Finding the Fourth Proportional to 1,054,551.32, 1,455,272.63 and 571,105.25

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Solution

The fourth proportional to 1,054,551.32, 1,455,272.63 and 571,105.25 is: 788,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,551.32 : 1,455,272.63 = 571,105.25 : x
  2. Step 2: Convert to fraction form
    1,054,551.32/1,455,272.63 = 571,105.25/x
  3. Step 3: Cross multiply
    1,054,551.32x = 1,455,272.63 × 571,105.25
  4. Step 4: Simplify right side
    1,054,551.32x = 831,113,839,174.31
  5. Step 5: Solve for x
    x = 831,113,839,174.31/1,054,551.32
  6. Step 6: Final answer
    x = 788,120.81

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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.