Home / 1,007,674.15-1,390,629.68-572,132.02

Finding the Fourth Proportional to 1,007,674.15, 1,390,629.68 and 572,132.02

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Solution

The fourth proportional to 1,007,674.15, 1,390,629.68 and 572,132.02 is: 789,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,674.15 : 1,390,629.68 = 572,132.02 : x
  2. Step 2: Convert to fraction form
    1,007,674.15/1,390,629.68 = 572,132.02/x
  3. Step 3: Cross multiply
    1,007,674.15x = 1,390,629.68 × 572,132.02
  4. Step 4: Simplify right side
    1,007,674.15x = 795,623,765,844.11
  5. Step 5: Solve for x
    x = 795,623,765,844.11/1,007,674.15
  6. Step 6: Final answer
    x = 789,564.53

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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.