Home / 1,134,682.25-1,565,840.97-618,440.90

Finding the Fourth Proportional to 1,134,682.25, 1,565,840.97 and 618,440.90

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Solution

The fourth proportional to 1,134,682.25, 1,565,840.97 and 618,440.90 is: 853,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,682.25 : 1,565,840.97 = 618,440.90 : x
  2. Step 2: Convert to fraction form
    1,134,682.25/1,565,840.97 = 618,440.90/x
  3. Step 3: Cross multiply
    1,134,682.25x = 1,565,840.97 × 618,440.90
  4. Step 4: Simplify right side
    1,134,682.25x = 968,380,090,914.47
  5. Step 5: Solve for x
    x = 968,380,090,914.47/1,134,682.25
  6. Step 6: Final answer
    x = 853,437.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.