Home / 556,511.26-834,082.80-256,575.52

Finding the Fourth Proportional to 556,511.26, 834,082.80 and 256,575.52

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Solution

The fourth proportional to 556,511.26, 834,082.80 and 256,575.52 is: 384,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,511.26 : 834,082.80 = 256,575.52 : x
  2. Step 2: Convert to fraction form
    556,511.26/834,082.80 = 256,575.52/x
  3. Step 3: Cross multiply
    556,511.26x = 834,082.80 × 256,575.52
  4. Step 4: Simplify right side
    556,511.26x = 214,005,228,133.06
  5. Step 5: Solve for x
    x = 214,005,228,133.06/556,511.26
  6. Step 6: Final answer
    x = 384,547.89

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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.