Home / 738,259.38-1,018,829.32-411,572.32

Finding the Fourth Proportional to 738,259.38, 1,018,829.32 and 411,572.32

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Solution

The fourth proportional to 738,259.38, 1,018,829.32 and 411,572.32 is: 567,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,259.38 : 1,018,829.32 = 411,572.32 : x
  2. Step 2: Convert to fraction form
    738,259.38/1,018,829.32 = 411,572.32/x
  3. Step 3: Cross multiply
    738,259.38x = 1,018,829.32 × 411,572.32
  4. Step 4: Simplify right side
    738,259.38x = 419,321,946,916.42
  5. Step 5: Solve for x
    x = 419,321,946,916.42/738,259.38
  6. Step 6: Final answer
    x = 567,987.29

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Half scale
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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.