Home / 1,213,185.76-1,674,202-669,328.16

Finding the Fourth Proportional to 1,213,185.76, 1,674,202 and 669,328.16

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Solution

The fourth proportional to 1,213,185.76, 1,674,202 and 669,328.16 is: 923,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,185.76 : 1,674,202 = 669,328.16 : x
  2. Step 2: Convert to fraction form
    1,213,185.76/1,674,202 = 669,328.16/x
  3. Step 3: Cross multiply
    1,213,185.76x = 1,674,202 × 669,328.16
  4. Step 4: Simplify right side
    1,213,185.76x = 1,120,590,544,128.32
  5. Step 5: Solve for x
    x = 1,120,590,544,128.32/1,213,185.76
  6. Step 6: Final answer
    x = 923,675.98

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Double scale
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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.