Home / 993,342.81-1,490,028.50-283,370.93

Finding the Fourth Proportional to 993,342.81, 1,490,028.50 and 283,370.93

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Solution

The fourth proportional to 993,342.81, 1,490,028.50 and 283,370.93 is: 425,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,342.81 : 1,490,028.50 = 283,370.93 : x
  2. Step 2: Convert to fraction form
    993,342.81/1,490,028.50 = 283,370.93/x
  3. Step 3: Cross multiply
    993,342.81x = 1,490,028.50 × 283,370.93
  4. Step 4: Simplify right side
    993,342.81x = 422,230,761,771.51
  5. Step 5: Solve for x
    x = 422,230,761,771.51/993,342.81
  6. Step 6: Final answer
    x = 425,060.47

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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.