Home / 787,603.20-1,181,404.80-519,914.40

Finding the Fourth Proportional to 787,603.20, 1,181,404.80 and 519,914.40

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Solution

The fourth proportional to 787,603.20, 1,181,404.80 and 519,914.40 is: 779,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,603.20 : 1,181,404.80 = 519,914.40 : x
  2. Step 2: Convert to fraction form
    787,603.20/1,181,404.80 = 519,914.40/x
  3. Step 3: Cross multiply
    787,603.20x = 1,181,404.80 × 519,914.40
  4. Step 4: Simplify right side
    787,603.20x = 614,229,367,749.12
  5. Step 5: Solve for x
    x = 614,229,367,749.12/787,603.20
  6. Step 6: Final answer
    x = 779,871.60

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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.