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Finding the Fourth Proportional to 1,314,046, 1,813,383.89 and 710,434

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Solution

The fourth proportional to 1,314,046, 1,813,383.89 and 710,434 is: 980,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,046 : 1,813,383.89 = 710,434 : x
  2. Step 2: Convert to fraction form
    1,314,046/1,813,383.89 = 710,434/x
  3. Step 3: Cross multiply
    1,314,046x = 1,813,383.89 × 710,434
  4. Step 4: Simplify right side
    1,314,046x = 1,288,289,570,508.26
  5. Step 5: Solve for x
    x = 1,288,289,570,508.26/1,314,046
  6. Step 6: Final answer
    x = 980,399.14

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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.