Home / 556,921.31-768,552.17-302,272.52

Finding the Fourth Proportional to 556,921.31, 768,552.17 and 302,272.52

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Solution

The fourth proportional to 556,921.31, 768,552.17 and 302,272.52 is: 417,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,921.31 : 768,552.17 = 302,272.52 : x
  2. Step 2: Convert to fraction form
    556,921.31/768,552.17 = 302,272.52/x
  3. Step 3: Cross multiply
    556,921.31x = 768,552.17 × 302,272.52
  4. Step 4: Simplify right side
    556,921.31x = 232,312,195,823.25
  5. Step 5: Solve for x
    x = 232,312,195,823.25/556,921.31
  6. Step 6: Final answer
    x = 417,136.49

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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.