Home / 738,069.16-1,018,587.30-411,403.24

Finding the Fourth Proportional to 738,069.16, 1,018,587.30 and 411,403.24

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Solution

The fourth proportional to 738,069.16, 1,018,587.30 and 411,403.24 is: 567,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,069.16 : 1,018,587.30 = 411,403.24 : x
  2. Step 2: Convert to fraction form
    738,069.16/1,018,587.30 = 411,403.24/x
  3. Step 3: Cross multiply
    738,069.16x = 1,018,587.30 × 411,403.24
  4. Step 4: Simplify right side
    738,069.16x = 419,050,115,442.85
  5. Step 5: Solve for x
    x = 419,050,115,442.85/738,069.16
  6. Step 6: Final answer
    x = 567,765.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.