Home / 715,901.04-1,073,578.59-316,323.72

Finding the Fourth Proportional to 715,901.04, 1,073,578.59 and 316,323.72

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Solution

The fourth proportional to 715,901.04, 1,073,578.59 and 316,323.72 is: 474,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,901.04 : 1,073,578.59 = 316,323.72 : x
  2. Step 2: Convert to fraction form
    715,901.04/1,073,578.59 = 316,323.72/x
  3. Step 3: Cross multiply
    715,901.04x = 1,073,578.59 × 316,323.72
  4. Step 4: Simplify right side
    715,901.04x = 339,598,373,301.16
  5. Step 5: Solve for x
    x = 339,598,373,301.16/715,901.04
  6. Step 6: Final answer
    x = 474,364.97

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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.