Home / 724,907.41-1,000,372.23-402,647.49

Finding the Fourth Proportional to 724,907.41, 1,000,372.23 and 402,647.49

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Solution

The fourth proportional to 724,907.41, 1,000,372.23 and 402,647.49 is: 555,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,907.41 : 1,000,372.23 = 402,647.49 : x
  2. Step 2: Convert to fraction form
    724,907.41/1,000,372.23 = 402,647.49/x
  3. Step 3: Cross multiply
    724,907.41x = 1,000,372.23 × 402,647.49
  4. Step 4: Simplify right side
    724,907.41x = 402,797,367,475.20
  5. Step 5: Solve for x
    x = 402,797,367,475.20/724,907.41
  6. Step 6: Final answer
    x = 555,653.54

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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.