Home / 845,350.12-1,166,613.06-463,376.80

Finding the Fourth Proportional to 845,350.12, 1,166,613.06 and 463,376.80

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Solution

The fourth proportional to 845,350.12, 1,166,613.06 and 463,376.80 is: 639,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,350.12 : 1,166,613.06 = 463,376.80 : x
  2. Step 2: Convert to fraction form
    845,350.12/1,166,613.06 = 463,376.80/x
  3. Step 3: Cross multiply
    845,350.12x = 1,166,613.06 × 463,376.80
  4. Step 4: Simplify right side
    845,350.12x = 540,581,426,581.01
  5. Step 5: Solve for x
    x = 540,581,426,581.01/845,350.12
  6. Step 6: Final answer
    x = 639,476.37

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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.