Home / 685,213.40-1,024,904.10-614,646.20

Finding the Fourth Proportional to 685,213.40, 1,024,904.10 and 614,646.20

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Solution

The fourth proportional to 685,213.40, 1,024,904.10 and 614,646.20 is: 919,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,213.40 : 1,024,904.10 = 614,646.20 : x
  2. Step 2: Convert to fraction form
    685,213.40/1,024,904.10 = 614,646.20/x
  3. Step 3: Cross multiply
    685,213.40x = 1,024,904.10 × 614,646.20
  4. Step 4: Simplify right side
    685,213.40x = 629,953,410,429.42
  5. Step 5: Solve for x
    x = 629,953,410,429.42/685,213.40
  6. Step 6: Final answer
    x = 919,353.61

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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.