Home / 1,317,285.92-1,817,856.36-713,673.92

Finding the Fourth Proportional to 1,317,285.92, 1,817,856.36 and 713,673.92

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Solution

The fourth proportional to 1,317,285.92, 1,817,856.36 and 713,673.92 is: 984,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,285.92 : 1,817,856.36 = 713,673.92 : x
  2. Step 2: Convert to fraction form
    1,317,285.92/1,817,856.36 = 713,673.92/x
  3. Step 3: Cross multiply
    1,317,285.92x = 1,817,856.36 × 713,673.92
  4. Step 4: Simplify right side
    1,317,285.92x = 1,297,356,674,438.13
  5. Step 5: Solve for x
    x = 1,297,356,674,438.13/1,317,285.92
  6. Step 6: Final answer
    x = 984,870.98

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Double scale
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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.