Home / 1,236,238.20-1,853,471.70-477,430.20

Finding the Fourth Proportional to 1,236,238.20, 1,853,471.70 and 477,430.20

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Solution

The fourth proportional to 1,236,238.20, 1,853,471.70 and 477,430.20 is: 715,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,238.20 : 1,853,471.70 = 477,430.20 : x
  2. Step 2: Convert to fraction form
    1,236,238.20/1,853,471.70 = 477,430.20/x
  3. Step 3: Cross multiply
    1,236,238.20x = 1,853,471.70 × 477,430.20
  4. Step 4: Simplify right side
    1,236,238.20x = 884,903,364,425.34
  5. Step 5: Solve for x
    x = 884,903,364,425.34/1,236,238.20
  6. Step 6: Final answer
    x = 715,803.28

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Double scale
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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.