Home / 980,711.46-1,353,308.04-550,907.64

Finding the Fourth Proportional to 980,711.46, 1,353,308.04 and 550,907.64

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Solution

The fourth proportional to 980,711.46, 1,353,308.04 and 550,907.64 is: 760,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,711.46 : 1,353,308.04 = 550,907.64 : x
  2. Step 2: Convert to fraction form
    980,711.46/1,353,308.04 = 550,907.64/x
  3. Step 3: Cross multiply
    980,711.46x = 1,353,308.04 × 550,907.64
  4. Step 4: Simplify right side
    980,711.46x = 745,547,738,509.43
  5. Step 5: Solve for x
    x = 745,547,738,509.43/980,711.46
  6. Step 6: Final answer
    x = 760,211.10

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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.