Home / 1,054,874.14-1,455,730.78-571,439.28

Finding the Fourth Proportional to 1,054,874.14, 1,455,730.78 and 571,439.28

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Solution

The fourth proportional to 1,054,874.14, 1,455,730.78 and 571,439.28 is: 788,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,874.14 : 1,455,730.78 = 571,439.28 : x
  2. Step 2: Convert to fraction form
    1,054,874.14/1,455,730.78 = 571,439.28/x
  3. Step 3: Cross multiply
    1,054,874.14x = 1,455,730.78 × 571,439.28
  4. Step 4: Simplify right side
    1,054,874.14x = 831,861,748,797.04
  5. Step 5: Solve for x
    x = 831,861,748,797.04/1,054,874.14
  6. Step 6: Final answer
    x = 788,588.63

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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.