Home / 516,341.20-712,548.54-286,935.82

Finding the Fourth Proportional to 516,341.20, 712,548.54 and 286,935.82

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Solution

The fourth proportional to 516,341.20, 712,548.54 and 286,935.82 is: 395,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,341.20 : 712,548.54 = 286,935.82 : x
  2. Step 2: Convert to fraction form
    516,341.20/712,548.54 = 286,935.82/x
  3. Step 3: Cross multiply
    516,341.20x = 712,548.54 × 286,935.82
  4. Step 4: Simplify right side
    516,341.20x = 204,455,699,614.70
  5. Step 5: Solve for x
    x = 204,455,699,614.70/516,341.20
  6. Step 6: Final answer
    x = 395,970.14

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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.