Home / 842,017.55-1,161,654.35-519,167.12

Finding the Fourth Proportional to 842,017.55, 1,161,654.35 and 519,167.12

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Solution

The fourth proportional to 842,017.55, 1,161,654.35 and 519,167.12 is: 716,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,017.55 : 1,161,654.35 = 519,167.12 : x
  2. Step 2: Convert to fraction form
    842,017.55/1,161,654.35 = 519,167.12/x
  3. Step 3: Cross multiply
    842,017.55x = 1,161,654.35 × 519,167.12
  4. Step 4: Simplify right side
    842,017.55x = 603,092,734,920.87
  5. Step 5: Solve for x
    x = 603,092,734,920.87/842,017.55
  6. Step 6: Final answer
    x = 716,247.23

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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.