Home / 1,101,966.64-1,520,608.95-618,420.94

Finding the Fourth Proportional to 1,101,966.64, 1,520,608.95 and 618,420.94

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Solution

The fourth proportional to 1,101,966.64, 1,520,608.95 and 618,420.94 is: 853,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,966.64 : 1,520,608.95 = 618,420.94 : x
  2. Step 2: Convert to fraction form
    1,101,966.64/1,520,608.95 = 618,420.94/x
  3. Step 3: Cross multiply
    1,101,966.64x = 1,520,608.95 × 618,420.94
  4. Step 4: Simplify right side
    1,101,966.64x = 940,376,412,429.89
  5. Step 5: Solve for x
    x = 940,376,412,429.89/1,101,966.64
  6. Step 6: Final answer
    x = 853,361.96

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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.