Home / 993,501.80-1,490,252.70-362,436.20

Finding the Fourth Proportional to 993,501.80, 1,490,252.70 and 362,436.20

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Solution

The fourth proportional to 993,501.80, 1,490,252.70 and 362,436.20 is: 543,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,501.80 : 1,490,252.70 = 362,436.20 : x
  2. Step 2: Convert to fraction form
    993,501.80/1,490,252.70 = 362,436.20/x
  3. Step 3: Cross multiply
    993,501.80x = 1,490,252.70 × 362,436.20
  4. Step 4: Simplify right side
    993,501.80x = 540,121,525,627.74
  5. Step 5: Solve for x
    x = 540,121,525,627.74/993,501.80
  6. Step 6: Final answer
    x = 543,654.30

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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.