Home / 979,988.46-1,352,597.88-705,080.94

Finding the Fourth Proportional to 979,988.46, 1,352,597.88 and 705,080.94

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Solution

The fourth proportional to 979,988.46, 1,352,597.88 and 705,080.94 is: 973,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,988.46 : 1,352,597.88 = 705,080.94 : x
  2. Step 2: Convert to fraction form
    979,988.46/1,352,597.88 = 705,080.94/x
  3. Step 3: Cross multiply
    979,988.46x = 1,352,597.88 × 705,080.94
  4. Step 4: Simplify right side
    979,988.46x = 953,690,984,672.41
  5. Step 5: Solve for x
    x = 953,690,984,672.41/979,988.46
  6. Step 6: Final answer
    x = 973,165.53

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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.