Home / 882,666.24-1,218,043.54-500,684.82

Finding the Fourth Proportional to 882,666.24, 1,218,043.54 and 500,684.82

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Solution

The fourth proportional to 882,666.24, 1,218,043.54 and 500,684.82 is: 690,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,666.24 : 1,218,043.54 = 500,684.82 : x
  2. Step 2: Convert to fraction form
    882,666.24/1,218,043.54 = 500,684.82/x
  3. Step 3: Cross multiply
    882,666.24x = 1,218,043.54 × 500,684.82
  4. Step 4: Simplify right side
    882,666.24x = 609,855,910,577.06
  5. Step 5: Solve for x
    x = 609,855,910,577.06/882,666.24
  6. Step 6: Final answer
    x = 690,924.70

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1.5x scale

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.