Home / 556,518.39-834,680.79-256,973.64

Finding the Fourth Proportional to 556,518.39, 834,680.79 and 256,973.64

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Solution

The fourth proportional to 556,518.39, 834,680.79 and 256,973.64 is: 385,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,518.39 : 834,680.79 = 256,973.64 : x
  2. Step 2: Convert to fraction form
    556,518.39/834,680.79 = 256,973.64/x
  3. Step 3: Cross multiply
    556,518.39x = 834,680.79 × 256,973.64
  4. Step 4: Simplify right side
    556,518.39x = 214,490,960,844.38
  5. Step 5: Solve for x
    x = 214,490,960,844.38/556,518.39
  6. Step 6: Final answer
    x = 385,415.76

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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.