Home / 869,056.28-1,303,655.32-436,551.28

Finding the Fourth Proportional to 869,056.28, 1,303,655.32 and 436,551.28

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Solution

The fourth proportional to 869,056.28, 1,303,655.32 and 436,551.28 is: 654,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,056.28 : 1,303,655.32 = 436,551.28 : x
  2. Step 2: Convert to fraction form
    869,056.28/1,303,655.32 = 436,551.28/x
  3. Step 3: Cross multiply
    869,056.28x = 1,303,655.32 × 436,551.28
  4. Step 4: Simplify right side
    869,056.28x = 569,112,405,691.62
  5. Step 5: Solve for x
    x = 569,112,405,691.62/869,056.28
  6. Step 6: Final answer
    x = 654,862.55

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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.