Home / 1,226,359.82-1,839,463.86-457,707.90

Finding the Fourth Proportional to 1,226,359.82, 1,839,463.86 and 457,707.90

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Solution

The fourth proportional to 1,226,359.82, 1,839,463.86 and 457,707.90 is: 686,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,359.82 : 1,839,463.86 = 457,707.90 : x
  2. Step 2: Convert to fraction form
    1,226,359.82/1,839,463.86 = 457,707.90/x
  3. Step 3: Cross multiply
    1,226,359.82x = 1,839,463.86 × 457,707.90
  4. Step 4: Simplify right side
    1,226,359.82x = 841,937,140,486.49
  5. Step 5: Solve for x
    x = 841,937,140,486.49/1,226,359.82
  6. Step 6: Final answer
    x = 686,533.53

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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.