Home / 1,411,042.48-1,945,385.70-1,018,245.82

Finding the Fourth Proportional to 1,411,042.48, 1,945,385.70 and 1,018,245.82

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Solution

The fourth proportional to 1,411,042.48, 1,945,385.70 and 1,018,245.82 is: 1,403,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,042.48 : 1,945,385.70 = 1,018,245.82 : x
  2. Step 2: Convert to fraction form
    1,411,042.48/1,945,385.70 = 1,018,245.82/x
  3. Step 3: Cross multiply
    1,411,042.48x = 1,945,385.70 × 1,018,245.82
  4. Step 4: Simplify right side
    1,411,042.48x = 1,980,880,857,312.77
  5. Step 5: Solve for x
    x = 1,980,880,857,312.77/1,411,042.48
  6. Step 6: Final answer
    x = 1,403,842.11

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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.