Home / 993,472.04-1,490,221.71-283,499.93

Finding the Fourth Proportional to 993,472.04, 1,490,221.71 and 283,499.93

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Solution

The fourth proportional to 993,472.04, 1,490,221.71 and 283,499.93 is: 425,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,472.04 : 1,490,221.71 = 283,499.93 : x
  2. Step 2: Convert to fraction form
    993,472.04/1,490,221.71 = 283,499.93/x
  3. Step 3: Cross multiply
    993,472.04x = 1,490,221.71 × 283,499.93
  4. Step 4: Simplify right side
    993,472.04x = 422,477,743,018.37
  5. Step 5: Solve for x
    x = 422,477,743,018.37/993,472.04
  6. Step 6: Final answer
    x = 425,253.78

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Double scale
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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.