Home / 735,621.64-1,015,178.18-517,899.56

Finding the Fourth Proportional to 735,621.64, 1,015,178.18 and 517,899.56

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Solution

The fourth proportional to 735,621.64, 1,015,178.18 and 517,899.56 is: 714,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,621.64 : 1,015,178.18 = 517,899.56 : x
  2. Step 2: Convert to fraction form
    735,621.64/1,015,178.18 = 517,899.56/x
  3. Step 3: Cross multiply
    735,621.64x = 1,015,178.18 × 517,899.56
  4. Step 4: Simplify right side
    735,621.64x = 525,760,332,743.60
  5. Step 5: Solve for x
    x = 525,760,332,743.60/735,621.64
  6. Step 6: Final answer
    x = 714,715.70

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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.