Home / 785,611.05-1,178,393.19-217,026.38

Finding the Fourth Proportional to 785,611.05, 1,178,393.19 and 217,026.38

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Solution

The fourth proportional to 785,611.05, 1,178,393.19 and 217,026.38 is: 325,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,611.05 : 1,178,393.19 = 217,026.38 : x
  2. Step 2: Convert to fraction form
    785,611.05/1,178,393.19 = 217,026.38/x
  3. Step 3: Cross multiply
    785,611.05x = 1,178,393.19 × 217,026.38
  4. Step 4: Simplify right side
    785,611.05x = 255,742,402,350.39
  5. Step 5: Solve for x
    x = 255,742,402,350.39/785,611.05
  6. Step 6: Final answer
    x = 325,533.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.