Home / 980,631.04-1,353,262.80-550,902.12

Finding the Fourth Proportional to 980,631.04, 1,353,262.80 and 550,902.12

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Solution

The fourth proportional to 980,631.04, 1,353,262.80 and 550,902.12 is: 760,240.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,631.04 : 1,353,262.80 = 550,902.12 : x
  2. Step 2: Convert to fraction form
    980,631.04/1,353,262.80 = 550,902.12/x
  3. Step 3: Cross multiply
    980,631.04x = 1,353,262.80 × 550,902.12
  4. Step 4: Simplify right side
    980,631.04x = 745,515,345,437.14
  5. Step 5: Solve for x
    x = 745,515,345,437.14/980,631.04
  6. Step 6: Final answer
    x = 760,240.41

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1.5x scale

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.