Home / 1,072,905.80-1,607,025.90-651,446.60

Finding the Fourth Proportional to 1,072,905.80, 1,607,025.90 and 651,446.60

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Solution

The fourth proportional to 1,072,905.80, 1,607,025.90 and 651,446.60 is: 975,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,905.80 : 1,607,025.90 = 651,446.60 : x
  2. Step 2: Convert to fraction form
    1,072,905.80/1,607,025.90 = 651,446.60/x
  3. Step 3: Cross multiply
    1,072,905.80x = 1,607,025.90 × 651,446.60
  4. Step 4: Simplify right side
    1,072,905.80x = 1,046,891,558,666.94
  5. Step 5: Solve for x
    x = 1,046,891,558,666.94/1,072,905.80
  6. Step 6: Final answer
    x = 975,753.47

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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.