Home / 930,774.77-1,284,099.82-538,235.19

Finding the Fourth Proportional to 930,774.77, 1,284,099.82 and 538,235.19

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Solution

The fourth proportional to 930,774.77, 1,284,099.82 and 538,235.19 is: 742,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,774.77 : 1,284,099.82 = 538,235.19 : x
  2. Step 2: Convert to fraction form
    930,774.77/1,284,099.82 = 538,235.19/x
  3. Step 3: Cross multiply
    930,774.77x = 1,284,099.82 × 538,235.19
  4. Step 4: Simplify right side
    930,774.77x = 691,147,710,596.67
  5. Step 5: Solve for x
    x = 691,147,710,596.67/930,774.77
  6. Step 6: Final answer
    x = 742,550.97

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Double scale
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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.