Home / 953,155.12-1,314,625.20-647,467.20

Finding the Fourth Proportional to 953,155.12, 1,314,625.20 and 647,467.20

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Solution

The fourth proportional to 953,155.12, 1,314,625.20 and 647,467.20 is: 893,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,155.12 : 1,314,625.20 = 647,467.20 : x
  2. Step 2: Convert to fraction form
    953,155.12/1,314,625.20 = 647,467.20/x
  3. Step 3: Cross multiply
    953,155.12x = 1,314,625.20 × 647,467.20
  4. Step 4: Simplify right side
    953,155.12x = 851,176,697,293.44
  5. Step 5: Solve for x
    x = 851,176,697,293.44/953,155.12
  6. Step 6: Final answer
    x = 893,009.63

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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.