Home / 1,236,999.60-1,855,499.40-607,143.60

Finding the Fourth Proportional to 1,236,999.60, 1,855,499.40 and 607,143.60

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Solution

The fourth proportional to 1,236,999.60, 1,855,499.40 and 607,143.60 is: 910,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,999.60 : 1,855,499.40 = 607,143.60 : x
  2. Step 2: Convert to fraction form
    1,236,999.60/1,855,499.40 = 607,143.60/x
  3. Step 3: Cross multiply
    1,236,999.60x = 1,855,499.40 × 607,143.60
  4. Step 4: Simplify right side
    1,236,999.60x = 1,126,554,585,513.84
  5. Step 5: Solve for x
    x = 1,126,554,585,513.84/1,236,999.60
  6. Step 6: Final answer
    x = 910,715.40

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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.