Home / 832,090.80-1,248,136.20-333,812.40

Finding the Fourth Proportional to 832,090.80, 1,248,136.20 and 333,812.40

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Solution

The fourth proportional to 832,090.80, 1,248,136.20 and 333,812.40 is: 500,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,090.80 : 1,248,136.20 = 333,812.40 : x
  2. Step 2: Convert to fraction form
    832,090.80/1,248,136.20 = 333,812.40/x
  3. Step 3: Cross multiply
    832,090.80x = 1,248,136.20 × 333,812.40
  4. Step 4: Simplify right side
    832,090.80x = 416,643,340,448.88
  5. Step 5: Solve for x
    x = 416,643,340,448.88/832,090.80
  6. Step 6: Final answer
    x = 500,718.60

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Double scale
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Similar ratio
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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.