Home / 1,149,419.94-1,585,956.84-665,955.66

Finding the Fourth Proportional to 1,149,419.94, 1,585,956.84 and 665,955.66

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Solution

The fourth proportional to 1,149,419.94, 1,585,956.84 and 665,955.66 is: 918,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,419.94 : 1,585,956.84 = 665,955.66 : x
  2. Step 2: Convert to fraction form
    1,149,419.94/1,585,956.84 = 665,955.66/x
  3. Step 3: Cross multiply
    1,149,419.94x = 1,585,956.84 × 665,955.66
  4. Step 4: Simplify right side
    1,149,419.94x = 1,056,176,934,113.71
  5. Step 5: Solve for x
    x = 1,056,176,934,113.71/1,149,419.94
  6. Step 6: Final answer
    x = 918,878.21

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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.