Home / 627,945.90-935,269.55-624,886.80

Finding the Fourth Proportional to 627,945.90, 935,269.55 and 624,886.80

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Solution

The fourth proportional to 627,945.90, 935,269.55 and 624,886.80 is: 930,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,945.90 : 935,269.55 = 624,886.80 : x
  2. Step 2: Convert to fraction form
    627,945.90/935,269.55 = 624,886.80/x
  3. Step 3: Cross multiply
    627,945.90x = 935,269.55 × 624,886.80
  4. Step 4: Simplify right side
    627,945.90x = 584,437,593,112.51
  5. Step 5: Solve for x
    x = 584,437,593,112.51/627,945.90
  6. Step 6: Final answer
    x = 930,713.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.