Home / 712,930.04-983,997.42-426,514.04

Finding the Fourth Proportional to 712,930.04, 983,997.42 and 426,514.04

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Solution

The fourth proportional to 712,930.04, 983,997.42 and 426,514.04 is: 588,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,930.04 : 983,997.42 = 426,514.04 : x
  2. Step 2: Convert to fraction form
    712,930.04/983,997.42 = 426,514.04/x
  3. Step 3: Cross multiply
    712,930.04x = 983,997.42 × 426,514.04
  4. Step 4: Simplify right side
    712,930.04x = 419,688,714,953.78
  5. Step 5: Solve for x
    x = 419,688,714,953.78/712,930.04
  6. Step 6: Final answer
    x = 588,681.49

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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.