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Finding the Fourth Proportional to 1,426,455.04, 1,968,709.82 and 882,765.93

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Solution

The fourth proportional to 1,426,455.04, 1,968,709.82 and 882,765.93 is: 1,218,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,455.04 : 1,968,709.82 = 882,765.93 : x
  2. Step 2: Convert to fraction form
    1,426,455.04/1,968,709.82 = 882,765.93/x
  3. Step 3: Cross multiply
    1,426,455.04x = 1,968,709.82 × 882,765.93
  4. Step 4: Simplify right side
    1,426,455.04x = 1,737,909,955,152.43
  5. Step 5: Solve for x
    x = 1,737,909,955,152.43/1,426,455.04
  6. Step 6: Final answer
    x = 1,218,341.91

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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.