Home / 1,528,065.96-2,108,787.93-916,318.32

Finding the Fourth Proportional to 1,528,065.96, 2,108,787.93 and 916,318.32

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Solution

The fourth proportional to 1,528,065.96, 2,108,787.93 and 916,318.32 is: 1,264,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,065.96 : 2,108,787.93 = 916,318.32 : x
  2. Step 2: Convert to fraction form
    1,528,065.96/2,108,787.93 = 916,318.32/x
  3. Step 3: Cross multiply
    1,528,065.96x = 2,108,787.93 × 916,318.32
  4. Step 4: Simplify right side
    1,528,065.96x = 1,932,321,013,253.88
  5. Step 5: Solve for x
    x = 1,932,321,013,253.88/1,528,065.96
  6. Step 6: Final answer
    x = 1,264,553.41

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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.