Home / 854,048.43-1,178,466.39-486,535.23

Finding the Fourth Proportional to 854,048.43, 1,178,466.39 and 486,535.23

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Solution

The fourth proportional to 854,048.43, 1,178,466.39 and 486,535.23 is: 671,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,048.43 : 1,178,466.39 = 486,535.23 : x
  2. Step 2: Convert to fraction form
    854,048.43/1,178,466.39 = 486,535.23/x
  3. Step 3: Cross multiply
    854,048.43x = 1,178,466.39 × 486,535.23
  4. Step 4: Simplify right side
    854,048.43x = 573,365,416,105.92
  5. Step 5: Solve for x
    x = 573,365,416,105.92/854,048.43
  6. Step 6: Final answer
    x = 671,350.00

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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.