Home / 869,656.59-1,200,138.39-525,444.66

Finding the Fourth Proportional to 869,656.59, 1,200,138.39 and 525,444.66

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Solution

The fourth proportional to 869,656.59, 1,200,138.39 and 525,444.66 is: 725,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,656.59 : 1,200,138.39 = 525,444.66 : x
  2. Step 2: Convert to fraction form
    869,656.59/1,200,138.39 = 525,444.66/x
  3. Step 3: Cross multiply
    869,656.59x = 1,200,138.39 × 525,444.66
  4. Step 4: Simplify right side
    869,656.59x = 630,606,308,286.50
  5. Step 5: Solve for x
    x = 630,606,308,286.50/869,656.59
  6. Step 6: Final answer
    x = 725,121.06

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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.