Home / 756,017.80-1,043,304.55-416,486.05

Finding the Fourth Proportional to 756,017.80, 1,043,304.55 and 416,486.05

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Solution

The fourth proportional to 756,017.80, 1,043,304.55 and 416,486.05 is: 574,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,017.80 : 1,043,304.55 = 416,486.05 : x
  2. Step 2: Convert to fraction form
    756,017.80/1,043,304.55 = 416,486.05/x
  3. Step 3: Cross multiply
    756,017.80x = 1,043,304.55 × 416,486.05
  4. Step 4: Simplify right side
    756,017.80x = 434,521,795,538.37
  5. Step 5: Solve for x
    x = 434,521,795,538.37/756,017.80
  6. Step 6: Final answer
    x = 574,750.74

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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.