Home / 1,276,509.21-1,914,769.99-377,967.91

Finding the Fourth Proportional to 1,276,509.21, 1,914,769.99 and 377,967.91

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Solution

The fourth proportional to 1,276,509.21, 1,914,769.99 and 377,967.91 is: 566,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,509.21 : 1,914,769.99 = 377,967.91 : x
  2. Step 2: Convert to fraction form
    1,276,509.21/1,914,769.99 = 377,967.91/x
  3. Step 3: Cross multiply
    1,276,509.21x = 1,914,769.99 × 377,967.91
  4. Step 4: Simplify right side
    1,276,509.21x = 723,721,601,677.17
  5. Step 5: Solve for x
    x = 723,721,601,677.17/1,276,509.21
  6. Step 6: Final answer
    x = 566,953.69

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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.