Home / 657,337.63-986,154.14-208,085.46

Finding the Fourth Proportional to 657,337.63, 986,154.14 and 208,085.46

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Solution

The fourth proportional to 657,337.63, 986,154.14 and 208,085.46 is: 312,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,337.63 : 986,154.14 = 208,085.46 : x
  2. Step 2: Convert to fraction form
    657,337.63/986,154.14 = 208,085.46/x
  3. Step 3: Cross multiply
    657,337.63x = 986,154.14 × 208,085.46
  4. Step 4: Simplify right side
    657,337.63x = 205,204,334,674.94
  5. Step 5: Solve for x
    x = 205,204,334,674.94/657,337.63
  6. Step 6: Final answer
    x = 312,174.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.