Home / 1,251,732.16-1,877,935.26-644,189.50

Finding the Fourth Proportional to 1,251,732.16, 1,877,935.26 and 644,189.50

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Solution

The fourth proportional to 1,251,732.16, 1,877,935.26 and 644,189.50 is: 966,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,732.16 : 1,877,935.26 = 644,189.50 : x
  2. Step 2: Convert to fraction form
    1,251,732.16/1,877,935.26 = 644,189.50/x
  3. Step 3: Cross multiply
    1,251,732.16x = 1,877,935.26 × 644,189.50
  4. Step 4: Simplify right side
    1,251,732.16x = 1,209,746,166,782.09
  5. Step 5: Solve for x
    x = 1,209,746,166,782.09/1,251,732.16
  6. Step 6: Final answer
    x = 966,457.69

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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.