Home / 917,665.46-1,376,638.10-468,141.11

Finding the Fourth Proportional to 917,665.46, 1,376,638.10 and 468,141.11

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Solution

The fourth proportional to 917,665.46, 1,376,638.10 and 468,141.11 is: 702,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,665.46 : 1,376,638.10 = 468,141.11 : x
  2. Step 2: Convert to fraction form
    917,665.46/1,376,638.10 = 468,141.11/x
  3. Step 3: Cross multiply
    917,665.46x = 1,376,638.10 × 468,141.11
  4. Step 4: Simplify right side
    917,665.46x = 644,460,878,978.40
  5. Step 5: Solve for x
    x = 644,460,878,978.40/917,665.46
  6. Step 6: Final answer
    x = 702,283.03

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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.