Home / 863,979.16-1,296,547.20-358,540.64

Finding the Fourth Proportional to 863,979.16, 1,296,547.20 and 358,540.64

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Solution

The fourth proportional to 863,979.16, 1,296,547.20 and 358,540.64 is: 538,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,979.16 : 1,296,547.20 = 358,540.64 : x
  2. Step 2: Convert to fraction form
    863,979.16/1,296,547.20 = 358,540.64/x
  3. Step 3: Cross multiply
    863,979.16x = 1,296,547.20 × 358,540.64
  4. Step 4: Simplify right side
    863,979.16x = 464,864,862,878.21
  5. Step 5: Solve for x
    x = 464,864,862,878.21/863,979.16
  6. Step 6: Final answer
    x = 538,051.01

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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.