Home / 1,189,847.55-1,784,392.25-390,943.74

Finding the Fourth Proportional to 1,189,847.55, 1,784,392.25 and 390,943.74

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Solution

The fourth proportional to 1,189,847.55, 1,784,392.25 and 390,943.74 is: 586,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,847.55 : 1,784,392.25 = 390,943.74 : x
  2. Step 2: Convert to fraction form
    1,189,847.55/1,784,392.25 = 390,943.74/x
  3. Step 3: Cross multiply
    1,189,847.55x = 1,784,392.25 × 390,943.74
  4. Step 4: Simplify right side
    1,189,847.55x = 697,596,984,578.77
  5. Step 5: Solve for x
    x = 697,596,984,578.77/1,189,847.55
  6. Step 6: Final answer
    x = 586,291.06

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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.