Home / 556,966.80-768,618.04-302,317.92

Finding the Fourth Proportional to 556,966.80, 768,618.04 and 302,317.92

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Solution

The fourth proportional to 556,966.80, 768,618.04 and 302,317.92 is: 417,200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,966.80 : 768,618.04 = 302,317.92 : x
  2. Step 2: Convert to fraction form
    556,966.80/768,618.04 = 302,317.92/x
  3. Step 3: Cross multiply
    556,966.80x = 768,618.04 × 302,317.92
  4. Step 4: Simplify right side
    556,966.80x = 232,367,007,127.28
  5. Step 5: Solve for x
    x = 232,367,007,127.28/556,966.80
  6. Step 6: Final answer
    x = 417,200.82

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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.