Home / 863,656.65-1,191,842.24-476,461.53

Finding the Fourth Proportional to 863,656.65, 1,191,842.24 and 476,461.53

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Solution

The fourth proportional to 863,656.65, 1,191,842.24 and 476,461.53 is: 657,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,656.65 : 1,191,842.24 = 476,461.53 : x
  2. Step 2: Convert to fraction form
    863,656.65/1,191,842.24 = 476,461.53/x
  3. Step 3: Cross multiply
    863,656.65x = 1,191,842.24 × 476,461.53
  4. Step 4: Simplify right side
    863,656.65x = 567,866,974,806.72
  5. Step 5: Solve for x
    x = 567,866,974,806.72/863,656.65
  6. Step 6: Final answer
    x = 657,514.74

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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.