Home / 985,273.83-1,359,693.02-577,278.03

Finding the Fourth Proportional to 985,273.83, 1,359,693.02 and 577,278.03

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Solution

The fourth proportional to 985,273.83, 1,359,693.02 and 577,278.03 is: 796,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,273.83 : 1,359,693.02 = 577,278.03 : x
  2. Step 2: Convert to fraction form
    985,273.83/1,359,693.02 = 577,278.03/x
  3. Step 3: Cross multiply
    985,273.83x = 1,359,693.02 × 577,278.03
  4. Step 4: Simplify right side
    985,273.83x = 784,920,905,103.96
  5. Step 5: Solve for x
    x = 784,920,905,103.96/985,273.83
  6. Step 6: Final answer
    x = 796,652.55

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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.