Home / 816,954.84-1,127,377.98-454,377.60

Finding the Fourth Proportional to 816,954.84, 1,127,377.98 and 454,377.60

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Solution

The fourth proportional to 816,954.84, 1,127,377.98 and 454,377.60 is: 627,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,954.84 : 1,127,377.98 = 454,377.60 : x
  2. Step 2: Convert to fraction form
    816,954.84/1,127,377.98 = 454,377.60/x
  3. Step 3: Cross multiply
    816,954.84x = 1,127,377.98 × 454,377.60
  4. Step 4: Simplify right side
    816,954.84x = 512,255,300,845.25
  5. Step 5: Solve for x
    x = 512,255,300,845.25/816,954.84
  6. Step 6: Final answer
    x = 627,030.13

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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.