Home / 976,543.02-1,464,803.59-345,309.21

Finding the Fourth Proportional to 976,543.02, 1,464,803.59 and 345,309.21

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Solution

The fourth proportional to 976,543.02, 1,464,803.59 and 345,309.21 is: 517,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,543.02 : 1,464,803.59 = 345,309.21 : x
  2. Step 2: Convert to fraction form
    976,543.02/1,464,803.59 = 345,309.21/x
  3. Step 3: Cross multiply
    976,543.02x = 1,464,803.59 × 345,309.21
  4. Step 4: Simplify right side
    976,543.02x = 505,810,170,468.06
  5. Step 5: Solve for x
    x = 505,810,170,468.06/976,543.02
  6. Step 6: Final answer
    x = 517,959.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.