Home / 738,444.98-1,019,039.96-416,148.62

Finding the Fourth Proportional to 738,444.98, 1,019,039.96 and 416,148.62

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Solution

The fourth proportional to 738,444.98, 1,019,039.96 and 416,148.62 is: 574,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,444.98 : 1,019,039.96 = 416,148.62 : x
  2. Step 2: Convert to fraction form
    738,444.98/1,019,039.96 = 416,148.62/x
  3. Step 3: Cross multiply
    738,444.98x = 1,019,039.96 × 416,148.62
  4. Step 4: Simplify right side
    738,444.98x = 424,072,073,078.86
  5. Step 5: Solve for x
    x = 424,072,073,078.86/738,444.98
  6. Step 6: Final answer
    x = 574,277.14

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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.