Home / 738,970.98-1,019,693.32-416,661.86

Finding the Fourth Proportional to 738,970.98, 1,019,693.32 and 416,661.86

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Solution

The fourth proportional to 738,970.98, 1,019,693.32 and 416,661.86 is: 574,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,970.98 : 1,019,693.32 = 416,661.86 : x
  2. Step 2: Convert to fraction form
    738,970.98/1,019,693.32 = 416,661.86/x
  3. Step 3: Cross multiply
    738,970.98x = 1,019,693.32 × 416,661.86
  4. Step 4: Simplify right side
    738,970.98x = 424,867,309,200.65
  5. Step 5: Solve for x
    x = 424,867,309,200.65/738,970.98
  6. Step 6: Final answer
    x = 574,944.51

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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.