Home / 879,548.58-1,213,151.32-807,185.16

Finding the Fourth Proportional to 879,548.58, 1,213,151.32 and 807,185.16

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Solution

The fourth proportional to 879,548.58, 1,213,151.32 and 807,185.16 is: 1,113,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,548.58 : 1,213,151.32 = 807,185.16 : x
  2. Step 2: Convert to fraction form
    879,548.58/1,213,151.32 = 807,185.16/x
  3. Step 3: Cross multiply
    879,548.58x = 1,213,151.32 × 807,185.16
  4. Step 4: Simplify right side
    879,548.58x = 979,237,742,338.41
  5. Step 5: Solve for x
    x = 979,237,742,338.41/879,548.58
  6. Step 6: Final answer
    x = 1,113,341.28

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Double scale
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1.5x scale

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.