Home / 1,174,800.96-1,621,486.08-665,784

Finding the Fourth Proportional to 1,174,800.96, 1,621,486.08 and 665,784

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Solution

The fourth proportional to 1,174,800.96, 1,621,486.08 and 665,784 is: 918,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,800.96 : 1,621,486.08 = 665,784 : x
  2. Step 2: Convert to fraction form
    1,174,800.96/1,621,486.08 = 665,784/x
  3. Step 3: Cross multiply
    1,174,800.96x = 1,621,486.08 × 665,784
  4. Step 4: Simplify right side
    1,174,800.96x = 1,079,559,488,286.72
  5. Step 5: Solve for x
    x = 1,079,559,488,286.72/1,174,800.96
  6. Step 6: Final answer
    x = 918,929.70

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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.