Home / 839,497.20-1,158,472.36-457,515.76

Finding the Fourth Proportional to 839,497.20, 1,158,472.36 and 457,515.76

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Solution

The fourth proportional to 839,497.20, 1,158,472.36 and 457,515.76 is: 631,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,497.20 : 1,158,472.36 = 457,515.76 : x
  2. Step 2: Convert to fraction form
    839,497.20/1,158,472.36 = 457,515.76/x
  3. Step 3: Cross multiply
    839,497.20x = 1,158,472.36 × 457,515.76
  4. Step 4: Simplify right side
    839,497.20x = 530,019,362,224.39
  5. Step 5: Solve for x
    x = 530,019,362,224.39/839,497.20
  6. Step 6: Final answer
    x = 631,353.34

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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.