Home / 1,124,493.80-1,687,028.70-650,330.60

Finding the Fourth Proportional to 1,124,493.80, 1,687,028.70 and 650,330.60

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Solution

The fourth proportional to 1,124,493.80, 1,687,028.70 and 650,330.60 is: 975,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,493.80 : 1,687,028.70 = 650,330.60 : x
  2. Step 2: Convert to fraction form
    1,124,493.80/1,687,028.70 = 650,330.60/x
  3. Step 3: Cross multiply
    1,124,493.80x = 1,687,028.70 × 650,330.60
  4. Step 4: Simplify right side
    1,124,493.80x = 1,097,126,386,688.22
  5. Step 5: Solve for x
    x = 1,097,126,386,688.22/1,124,493.80
  6. Step 6: Final answer
    x = 975,662.46

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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.