Home / 1,048,090.62-1,572,136.30-328,488.16

Finding the Fourth Proportional to 1,048,090.62, 1,572,136.30 and 328,488.16

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Solution

The fourth proportional to 1,048,090.62, 1,572,136.30 and 328,488.16 is: 492,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,090.62 : 1,572,136.30 = 328,488.16 : x
  2. Step 2: Convert to fraction form
    1,048,090.62/1,572,136.30 = 328,488.16/x
  3. Step 3: Cross multiply
    1,048,090.62x = 1,572,136.30 × 328,488.16
  4. Step 4: Simplify right side
    1,048,090.62x = 516,428,158,267.45
  5. Step 5: Solve for x
    x = 516,428,158,267.45/1,048,090.62
  6. Step 6: Final answer
    x = 492,732.35

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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.