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Finding the Fourth Proportional to 1,314,376, 1,813,838.97 and 710,764

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Solution

The fourth proportional to 1,314,376, 1,813,838.97 and 710,764 is: 980,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,376 : 1,813,838.97 = 710,764 : x
  2. Step 2: Convert to fraction form
    1,314,376/1,813,838.97 = 710,764/x
  3. Step 3: Cross multiply
    1,314,376x = 1,813,838.97 × 710,764
  4. Step 4: Simplify right side
    1,314,376x = 1,289,211,441,673.08
  5. Step 5: Solve for x
    x = 1,289,211,441,673.08/1,314,376
  6. Step 6: Final answer
    x = 980,854.37

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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.