Home / 1,054,834.28-1,455,678.30-571,399.44

Finding the Fourth Proportional to 1,054,834.28, 1,455,678.30 and 571,399.44

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Solution

The fourth proportional to 1,054,834.28, 1,455,678.30 and 571,399.44 is: 788,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,834.28 : 1,455,678.30 = 571,399.44 : x
  2. Step 2: Convert to fraction form
    1,054,834.28/1,455,678.30 = 571,399.44/x
  3. Step 3: Cross multiply
    1,054,834.28x = 1,455,678.30 × 571,399.44
  4. Step 4: Simplify right side
    1,054,834.28x = 831,773,765,440.15
  5. Step 5: Solve for x
    x = 831,773,765,440.15/1,054,834.28
  6. Step 6: Final answer
    x = 788,535.02

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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.