Home / 907,489.40-1,361,234.10-528,020.60

Finding the Fourth Proportional to 907,489.40, 1,361,234.10 and 528,020.60

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Solution

The fourth proportional to 907,489.40, 1,361,234.10 and 528,020.60 is: 792,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,489.40 : 1,361,234.10 = 528,020.60 : x
  2. Step 2: Convert to fraction form
    907,489.40/1,361,234.10 = 528,020.60/x
  3. Step 3: Cross multiply
    907,489.40x = 1,361,234.10 × 528,020.60
  4. Step 4: Simplify right side
    907,489.40x = 718,759,646,222.46
  5. Step 5: Solve for x
    x = 718,759,646,222.46/907,489.40
  6. Step 6: Final answer
    x = 792,030.90

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