Home / 993,605.40-1,490,408.10-362,437.20

Finding the Fourth Proportional to 993,605.40, 1,490,408.10 and 362,437.20

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Solution

The fourth proportional to 993,605.40, 1,490,408.10 and 362,437.20 is: 543,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,605.40 : 1,490,408.10 = 362,437.20 : x
  2. Step 2: Convert to fraction form
    993,605.40/1,490,408.10 = 362,437.20/x
  3. Step 3: Cross multiply
    993,605.40x = 1,490,408.10 × 362,437.20
  4. Step 4: Simplify right side
    993,605.40x = 540,179,338,621.32
  5. Step 5: Solve for x
    x = 540,179,338,621.32/993,605.40
  6. Step 6: Final answer
    x = 543,655.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.