Home / 881,467.66-1,216,702.25-499,748.68

Finding the Fourth Proportional to 881,467.66, 1,216,702.25 and 499,748.68

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Solution

The fourth proportional to 881,467.66, 1,216,702.25 and 499,748.68 is: 689,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,467.66 : 1,216,702.25 = 499,748.68 : x
  2. Step 2: Convert to fraction form
    881,467.66/1,216,702.25 = 499,748.68/x
  3. Step 3: Cross multiply
    881,467.66x = 1,216,702.25 × 499,748.68
  4. Step 4: Simplify right side
    881,467.66x = 608,045,343,390.53
  5. Step 5: Solve for x
    x = 608,045,343,390.53/881,467.66
  6. Step 6: Final answer
    x = 689,810.16

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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.