Home / 869,066.80-1,303,600.20-570,468.40

Finding the Fourth Proportional to 869,066.80, 1,303,600.20 and 570,468.40

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Solution

The fourth proportional to 869,066.80, 1,303,600.20 and 570,468.40 is: 855,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,066.80 : 1,303,600.20 = 570,468.40 : x
  2. Step 2: Convert to fraction form
    869,066.80/1,303,600.20 = 570,468.40/x
  3. Step 3: Cross multiply
    869,066.80x = 1,303,600.20 × 570,468.40
  4. Step 4: Simplify right side
    869,066.80x = 743,662,720,333.68
  5. Step 5: Solve for x
    x = 743,662,720,333.68/869,066.80
  6. Step 6: Final answer
    x = 855,702.60

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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.