Home / 935,085.02-1,289,818.96-648,500.54

Finding the Fourth Proportional to 935,085.02, 1,289,818.96 and 648,500.54

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Solution

The fourth proportional to 935,085.02, 1,289,818.96 and 648,500.54 is: 894,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,085.02 : 1,289,818.96 = 648,500.54 : x
  2. Step 2: Convert to fraction form
    935,085.02/1,289,818.96 = 648,500.54/x
  3. Step 3: Cross multiply
    935,085.02x = 1,289,818.96 × 648,500.54
  4. Step 4: Simplify right side
    935,085.02x = 836,448,283,991.89
  5. Step 5: Solve for x
    x = 836,448,283,991.89/935,085.02
  6. Step 6: Final answer
    x = 894,515.76

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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.