Home / 898,136.21-1,239,242.94-516,089.18

Finding the Fourth Proportional to 898,136.21, 1,239,242.94 and 516,089.18

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Solution

The fourth proportional to 898,136.21, 1,239,242.94 and 516,089.18 is: 712,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,136.21 : 1,239,242.94 = 516,089.18 : x
  2. Step 2: Convert to fraction form
    898,136.21/1,239,242.94 = 516,089.18/x
  3. Step 3: Cross multiply
    898,136.21x = 1,239,242.94 × 516,089.18
  4. Step 4: Simplify right side
    898,136.21x = 639,559,866,529.18
  5. Step 5: Solve for x
    x = 639,559,866,529.18/898,136.21
  6. Step 6: Final answer
    x = 712,096.74

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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.