Home / 1,172,368.32-1,617,955.28-656,174.08

Finding the Fourth Proportional to 1,172,368.32, 1,617,955.28 and 656,174.08

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Solution

The fourth proportional to 1,172,368.32, 1,617,955.28 and 656,174.08 is: 905,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,368.32 : 1,617,955.28 = 656,174.08 : x
  2. Step 2: Convert to fraction form
    1,172,368.32/1,617,955.28 = 656,174.08/x
  3. Step 3: Cross multiply
    1,172,368.32x = 1,617,955.28 × 656,174.08
  4. Step 4: Simplify right side
    1,172,368.32x = 1,061,660,317,335.14
  5. Step 5: Solve for x
    x = 1,061,660,317,335.14/1,172,368.32
  6. Step 6: Final answer
    x = 905,568.92

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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.