Home / 556,412.05-767,849.52-301,763.44

Finding the Fourth Proportional to 556,412.05, 767,849.52 and 301,763.44

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Solution

The fourth proportional to 556,412.05, 767,849.52 and 301,763.44 is: 416,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,412.05 : 767,849.52 = 301,763.44 : x
  2. Step 2: Convert to fraction form
    556,412.05/767,849.52 = 301,763.44/x
  3. Step 3: Cross multiply
    556,412.05x = 767,849.52 × 301,763.44
  4. Step 4: Simplify right side
    556,412.05x = 231,708,912,557.55
  5. Step 5: Solve for x
    x = 231,708,912,557.55/556,412.05
  6. Step 6: Final answer
    x = 416,434.03

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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.