Home / 843,066.11-1,163,402.40-480,606.80

Finding the Fourth Proportional to 843,066.11, 1,163,402.40 and 480,606.80

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Solution

The fourth proportional to 843,066.11, 1,163,402.40 and 480,606.80 is: 663,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,066.11 : 1,163,402.40 = 480,606.80 : x
  2. Step 2: Convert to fraction form
    843,066.11/1,163,402.40 = 480,606.80/x
  3. Step 3: Cross multiply
    843,066.11x = 1,163,402.40 × 480,606.80
  4. Step 4: Simplify right side
    843,066.11x = 559,139,098,759.31
  5. Step 5: Solve for x
    x = 559,139,098,759.31/843,066.11
  6. Step 6: Final answer
    x = 663,220.94

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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.