Home / 1,048,103.92-1,572,156.24-328,501.47

Finding the Fourth Proportional to 1,048,103.92, 1,572,156.24 and 328,501.47

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Solution

The fourth proportional to 1,048,103.92, 1,572,156.24 and 328,501.47 is: 492,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,103.92 : 1,572,156.24 = 328,501.47 : x
  2. Step 2: Convert to fraction form
    1,048,103.92/1,572,156.24 = 328,501.47/x
  3. Step 3: Cross multiply
    1,048,103.92x = 1,572,156.24 × 328,501.47
  4. Step 4: Simplify right side
    1,048,103.92x = 516,455,640,573.38
  5. Step 5: Solve for x
    x = 516,455,640,573.38/1,048,103.92
  6. Step 6: Final answer
    x = 492,752.32

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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.