Home / 476,547.91-657,632.72-261,683.66

Finding the Fourth Proportional to 476,547.91, 657,632.72 and 261,683.66

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Solution

The fourth proportional to 476,547.91, 657,632.72 and 261,683.66 is: 361,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,547.91 : 657,632.72 = 261,683.66 : x
  2. Step 2: Convert to fraction form
    476,547.91/657,632.72 = 261,683.66/x
  3. Step 3: Cross multiply
    476,547.91x = 657,632.72 × 261,683.66
  4. Step 4: Simplify right side
    476,547.91x = 172,091,739,403.65
  5. Step 5: Solve for x
    x = 172,091,739,403.65/476,547.91
  6. Step 6: Final answer
    x = 361,121.59

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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.