Home / 845,190.12-1,166,366.82-463,220.20

Finding the Fourth Proportional to 845,190.12, 1,166,366.82 and 463,220.20

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Solution

The fourth proportional to 845,190.12, 1,166,366.82 and 463,220.20 is: 639,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,190.12 : 1,166,366.82 = 463,220.20 : x
  2. Step 2: Convert to fraction form
    845,190.12/1,166,366.82 = 463,220.20/x
  3. Step 3: Cross multiply
    845,190.12x = 1,166,366.82 × 463,220.20
  4. Step 4: Simplify right side
    845,190.12x = 540,284,671,633.76
  5. Step 5: Solve for x
    x = 540,284,671,633.76/845,190.12
  6. Step 6: Final answer
    x = 639,246.32

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Double scale
Find fourth proportional to 845,191.12, 1,166,368.20 and 463,221.20
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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.