Home / 816,986.40-1,225,479.60-607,034.40

Finding the Fourth Proportional to 816,986.40, 1,225,479.60 and 607,034.40

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Solution

The fourth proportional to 816,986.40, 1,225,479.60 and 607,034.40 is: 910,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,986.40 : 1,225,479.60 = 607,034.40 : x
  2. Step 2: Convert to fraction form
    816,986.40/1,225,479.60 = 607,034.40/x
  3. Step 3: Cross multiply
    816,986.40x = 1,225,479.60 × 607,034.40
  4. Step 4: Simplify right side
    816,986.40x = 743,908,273,698.24
  5. Step 5: Solve for x
    x = 743,908,273,698.24/816,986.40
  6. Step 6: Final answer
    x = 910,551.60

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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.