Home / 786,033.84-1,178,935.92-386,567.40

Finding the Fourth Proportional to 786,033.84, 1,178,935.92 and 386,567.40

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Solution

The fourth proportional to 786,033.84, 1,178,935.92 and 386,567.40 is: 579,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,033.84 : 1,178,935.92 = 386,567.40 : x
  2. Step 2: Convert to fraction form
    786,033.84/1,178,935.92 = 386,567.40/x
  3. Step 3: Cross multiply
    786,033.84x = 1,178,935.92 × 386,567.40
  4. Step 4: Simplify right side
    786,033.84x = 455,738,193,361.01
  5. Step 5: Solve for x
    x = 455,738,193,361.01/786,033.84
  6. Step 6: Final answer
    x = 579,794.62

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1.5x scale

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.