Home / 661,623.60-992,435.40-605,636.40

Finding the Fourth Proportional to 661,623.60, 992,435.40 and 605,636.40

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Solution

The fourth proportional to 661,623.60, 992,435.40 and 605,636.40 is: 908,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,623.60 : 992,435.40 = 605,636.40 : x
  2. Step 2: Convert to fraction form
    661,623.60/992,435.40 = 605,636.40/x
  3. Step 3: Cross multiply
    661,623.60x = 992,435.40 × 605,636.40
  4. Step 4: Simplify right side
    661,623.60x = 601,055,002,888.56
  5. Step 5: Solve for x
    x = 601,055,002,888.56/661,623.60
  6. Step 6: Final answer
    x = 908,454.60

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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.