Home / 583,010.50-804,126.22-386,421.44

Finding the Fourth Proportional to 583,010.50, 804,126.22 and 386,421.44

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Solution

The fourth proportional to 583,010.50, 804,126.22 and 386,421.44 is: 532,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,010.50 : 804,126.22 = 386,421.44 : x
  2. Step 2: Convert to fraction form
    583,010.50/804,126.22 = 386,421.44/x
  3. Step 3: Cross multiply
    583,010.50x = 804,126.22 × 386,421.44
  4. Step 4: Simplify right side
    583,010.50x = 310,731,605,921.42
  5. Step 5: Solve for x
    x = 310,731,605,921.42/583,010.50
  6. Step 6: Final answer
    x = 532,977.72

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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.