Home / 782,187.40-1,173,281.10-605,040.40

Finding the Fourth Proportional to 782,187.40, 1,173,281.10 and 605,040.40

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Solution

The fourth proportional to 782,187.40, 1,173,281.10 and 605,040.40 is: 907,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,187.40 : 1,173,281.10 = 605,040.40 : x
  2. Step 2: Convert to fraction form
    782,187.40/1,173,281.10 = 605,040.40/x
  3. Step 3: Cross multiply
    782,187.40x = 1,173,281.10 × 605,040.40
  4. Step 4: Simplify right side
    782,187.40x = 709,882,466,056.44
  5. Step 5: Solve for x
    x = 709,882,466,056.44/782,187.40
  6. Step 6: Final answer
    x = 907,560.60

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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.