Home / 881,033.40-1,318,925.70-525,864.60

Finding the Fourth Proportional to 881,033.40, 1,318,925.70 and 525,864.60

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Solution

The fourth proportional to 881,033.40, 1,318,925.70 and 525,864.60 is: 787,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,033.40 : 1,318,925.70 = 525,864.60 : x
  2. Step 2: Convert to fraction form
    881,033.40/1,318,925.70 = 525,864.60/x
  3. Step 3: Cross multiply
    881,033.40x = 1,318,925.70 × 525,864.60
  4. Step 4: Simplify right side
    881,033.40x = 693,576,335,660.22
  5. Step 5: Solve for x
    x = 693,576,335,660.22/881,033.40
  6. Step 6: Final answer
    x = 787,230.47

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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.