Home / 1,312,927.28-1,969,390.70-414,999.49

Finding the Fourth Proportional to 1,312,927.28, 1,969,390.70 and 414,999.49

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Solution

The fourth proportional to 1,312,927.28, 1,969,390.70 and 414,999.49 is: 622,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,927.28 : 1,969,390.70 = 414,999.49 : x
  2. Step 2: Convert to fraction form
    1,312,927.28/1,969,390.70 = 414,999.49/x
  3. Step 3: Cross multiply
    1,312,927.28x = 1,969,390.70 × 414,999.49
  4. Step 4: Simplify right side
    1,312,927.28x = 817,296,124,188.79
  5. Step 5: Solve for x
    x = 817,296,124,188.79/1,312,927.28
  6. Step 6: Final answer
    x = 622,499.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.