Home / 634,927.54-876,217.06-348,457.80

Finding the Fourth Proportional to 634,927.54, 876,217.06 and 348,457.80

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Solution

The fourth proportional to 634,927.54, 876,217.06 and 348,457.80 is: 480,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,927.54 : 876,217.06 = 348,457.80 : x
  2. Step 2: Convert to fraction form
    634,927.54/876,217.06 = 348,457.80/x
  3. Step 3: Cross multiply
    634,927.54x = 876,217.06 × 348,457.80
  4. Step 4: Simplify right side
    634,927.54x = 305,324,669,050.07
  5. Step 5: Solve for x
    x = 305,324,669,050.07/634,927.54
  6. Step 6: Final answer
    x = 480,881.12

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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.