Home / 931,318.04-1,284,994.68-543,913.76

Finding the Fourth Proportional to 931,318.04, 1,284,994.68 and 543,913.76

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Solution

The fourth proportional to 931,318.04, 1,284,994.68 and 543,913.76 is: 750,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,318.04 : 1,284,994.68 = 543,913.76 : x
  2. Step 2: Convert to fraction form
    931,318.04/1,284,994.68 = 543,913.76/x
  3. Step 3: Cross multiply
    931,318.04x = 1,284,994.68 × 543,913.76
  4. Step 4: Simplify right side
    931,318.04x = 698,926,287,978.80
  5. Step 5: Solve for x
    x = 698,926,287,978.80/931,318.04
  6. Step 6: Final answer
    x = 750,470.04

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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.