Home / 738,589.20-1,017,861.16-534,293.16

Finding the Fourth Proportional to 738,589.20, 1,017,861.16 and 534,293.16

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Solution

The fourth proportional to 738,589.20, 1,017,861.16 and 534,293.16 is: 736,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,589.20 : 1,017,861.16 = 534,293.16 : x
  2. Step 2: Convert to fraction form
    738,589.20/1,017,861.16 = 534,293.16/x
  3. Step 3: Cross multiply
    738,589.20x = 1,017,861.16 × 534,293.16
  4. Step 4: Simplify right side
    738,589.20x = 543,836,255,617.67
  5. Step 5: Solve for x
    x = 543,836,255,617.67/738,589.20
  6. Step 6: Final answer
    x = 736,317.64

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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.