Home / 815,411.07-1,125,304.88-452,836.53

Finding the Fourth Proportional to 815,411.07, 1,125,304.88 and 452,836.53

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Solution

The fourth proportional to 815,411.07, 1,125,304.88 and 452,836.53 is: 624,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,411.07 : 1,125,304.88 = 452,836.53 : x
  2. Step 2: Convert to fraction form
    815,411.07/1,125,304.88 = 452,836.53/x
  3. Step 3: Cross multiply
    815,411.07x = 1,125,304.88 × 452,836.53
  4. Step 4: Simplify right side
    815,411.07x = 509,579,154,787.08
  5. Step 5: Solve for x
    x = 509,579,154,787.08/815,411.07
  6. Step 6: Final answer
    x = 624,935.29

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1.5x scale

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.