Home / 758,633.04-1,046,934.72-419,123.16

Finding the Fourth Proportional to 758,633.04, 1,046,934.72 and 419,123.16

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Solution

The fourth proportional to 758,633.04, 1,046,934.72 and 419,123.16 is: 578,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,633.04 : 1,046,934.72 = 419,123.16 : x
  2. Step 2: Convert to fraction form
    758,633.04/1,046,934.72 = 419,123.16/x
  3. Step 3: Cross multiply
    758,633.04x = 1,046,934.72 × 419,123.16
  4. Step 4: Simplify right side
    758,633.04x = 438,794,588,160.12
  5. Step 5: Solve for x
    x = 438,794,588,160.12/758,633.04
  6. Step 6: Final answer
    x = 578,401.63

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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.