Home / 719,003.55-992,584.43-447,159.05

Finding the Fourth Proportional to 719,003.55, 992,584.43 and 447,159.05

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Solution

The fourth proportional to 719,003.55, 992,584.43 and 447,159.05 is: 617,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,003.55 : 992,584.43 = 447,159.05 : x
  2. Step 2: Convert to fraction form
    719,003.55/992,584.43 = 447,159.05/x
  3. Step 3: Cross multiply
    719,003.55x = 992,584.43 × 447,159.05
  4. Step 4: Simplify right side
    719,003.55x = 443,843,108,963.91
  5. Step 5: Solve for x
    x = 443,843,108,963.91/719,003.55
  6. Step 6: Final answer
    x = 617,303.08

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1.5x scale

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.