Home / 759,319.28-1,047,686.52-453,336.08

Finding the Fourth Proportional to 759,319.28, 1,047,686.52 and 453,336.08

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Solution

The fourth proportional to 759,319.28, 1,047,686.52 and 453,336.08 is: 625,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,319.28 : 1,047,686.52 = 453,336.08 : x
  2. Step 2: Convert to fraction form
    759,319.28/1,047,686.52 = 453,336.08/x
  3. Step 3: Cross multiply
    759,319.28x = 1,047,686.52 × 453,336.08
  4. Step 4: Simplify right side
    759,319.28x = 474,954,100,045.64
  5. Step 5: Solve for x
    x = 474,954,100,045.64/759,319.28
  6. Step 6: Final answer
    x = 625,499.86

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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.