Home / 1,170,089.30-1,755,133.95-540,233.30

Finding the Fourth Proportional to 1,170,089.30, 1,755,133.95 and 540,233.30

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Solution

The fourth proportional to 1,170,089.30, 1,755,133.95 and 540,233.30 is: 810,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,089.30 : 1,755,133.95 = 540,233.30 : x
  2. Step 2: Convert to fraction form
    1,170,089.30/1,755,133.95 = 540,233.30/x
  3. Step 3: Cross multiply
    1,170,089.30x = 1,755,133.95 × 540,233.30
  4. Step 4: Simplify right side
    1,170,089.30x = 948,181,805,750.54
  5. Step 5: Solve for x
    x = 948,181,805,750.54/1,170,089.30
  6. Step 6: Final answer
    x = 810,349.95

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Double scale
Find fourth proportional to 1,170,090.30, 1,755,135.45 and 540,234.30
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.