Home / 869,654.62-1,200,135.66-525,442.66

Finding the Fourth Proportional to 869,654.62, 1,200,135.66 and 525,442.66

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Solution

The fourth proportional to 869,654.62, 1,200,135.66 and 525,442.66 is: 725,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,654.62 : 1,200,135.66 = 525,442.66 : x
  2. Step 2: Convert to fraction form
    869,654.62/1,200,135.66 = 525,442.66/x
  3. Step 3: Cross multiply
    869,654.62x = 1,200,135.66 × 525,442.66
  4. Step 4: Simplify right side
    869,654.62x = 630,602,473,551.26
  5. Step 5: Solve for x
    x = 630,602,473,551.26/869,654.62
  6. Step 6: Final answer
    x = 725,118.29

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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.