Home / 911,036.10-1,366,554.15-645,096.90

Finding the Fourth Proportional to 911,036.10, 1,366,554.15 and 645,096.90

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Solution

The fourth proportional to 911,036.10, 1,366,554.15 and 645,096.90 is: 967,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,036.10 : 1,366,554.15 = 645,096.90 : x
  2. Step 2: Convert to fraction form
    911,036.10/1,366,554.15 = 645,096.90/x
  3. Step 3: Cross multiply
    911,036.10x = 1,366,554.15 × 645,096.90
  4. Step 4: Simplify right side
    911,036.10x = 881,559,845,847.14
  5. Step 5: Solve for x
    x = 881,559,845,847.14/911,036.10
  6. Step 6: Final answer
    x = 967,645.35

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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.