Home / 1,014,081.30-1,399,448.70-555,188.13

Finding the Fourth Proportional to 1,014,081.30, 1,399,448.70 and 555,188.13

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Solution

The fourth proportional to 1,014,081.30, 1,399,448.70 and 555,188.13 is: 766,168.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,081.30 : 1,399,448.70 = 555,188.13 : x
  2. Step 2: Convert to fraction form
    1,014,081.30/1,399,448.70 = 555,188.13/x
  3. Step 3: Cross multiply
    1,014,081.30x = 1,399,448.70 × 555,188.13
  4. Step 4: Simplify right side
    1,014,081.30x = 776,957,306,783.93
  5. Step 5: Solve for x
    x = 776,957,306,783.93/1,014,081.30
  6. Step 6: Final answer
    x = 766,168.66

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Double scale
Find fourth proportional to 1,014,082.30, 1,399,450.08 and 555,189.13
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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.