Home / 556,691.04-768,238.56-302,047.28

Finding the Fourth Proportional to 556,691.04, 768,238.56 and 302,047.28

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Solution

The fourth proportional to 556,691.04, 768,238.56 and 302,047.28 is: 416,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,691.04 : 768,238.56 = 302,047.28 : x
  2. Step 2: Convert to fraction form
    556,691.04/768,238.56 = 302,047.28/x
  3. Step 3: Cross multiply
    556,691.04x = 768,238.56 × 302,047.28
  4. Step 4: Simplify right side
    556,691.04x = 232,044,367,439.12
  5. Step 5: Solve for x
    x = 232,044,367,439.12/556,691.04
  6. Step 6: Final answer
    x = 416,827.92

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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.