Home / 819,734.34-1,131,259.95-457,173.48

Finding the Fourth Proportional to 819,734.34, 1,131,259.95 and 457,173.48

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Solution

The fourth proportional to 819,734.34, 1,131,259.95 and 457,173.48 is: 630,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,734.34 : 1,131,259.95 = 457,173.48 : x
  2. Step 2: Convert to fraction form
    819,734.34/1,131,259.95 = 457,173.48/x
  3. Step 3: Cross multiply
    819,734.34x = 1,131,259.95 × 457,173.48
  4. Step 4: Simplify right side
    819,734.34x = 517,182,048,126.13
  5. Step 5: Solve for x
    x = 517,182,048,126.13/819,734.34
  6. Step 6: Final answer
    x = 630,914.22

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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.