Home / 1,234,457.40-1,851,686.10-435,732.60

Finding the Fourth Proportional to 1,234,457.40, 1,851,686.10 and 435,732.60

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Solution

The fourth proportional to 1,234,457.40, 1,851,686.10 and 435,732.60 is: 653,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,457.40 : 1,851,686.10 = 435,732.60 : x
  2. Step 2: Convert to fraction form
    1,234,457.40/1,851,686.10 = 435,732.60/x
  3. Step 3: Cross multiply
    1,234,457.40x = 1,851,686.10 × 435,732.60
  4. Step 4: Simplify right side
    1,234,457.40x = 806,839,998,736.86
  5. Step 5: Solve for x
    x = 806,839,998,736.86/1,234,457.40
  6. Step 6: Final answer
    x = 653,598.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.