Home / 928,932.98-1,281,938.01-515,476.94

Finding the Fourth Proportional to 928,932.98, 1,281,938.01 and 515,476.94

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Solution

The fourth proportional to 928,932.98, 1,281,938.01 and 515,476.94 is: 711,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,932.98 : 1,281,938.01 = 515,476.94 : x
  2. Step 2: Convert to fraction form
    928,932.98/1,281,938.01 = 515,476.94/x
  3. Step 3: Cross multiply
    928,932.98x = 1,281,938.01 × 515,476.94
  4. Step 4: Simplify right side
    928,932.98x = 660,809,482,664.49
  5. Step 5: Solve for x
    x = 660,809,482,664.49/928,932.98
  6. Step 6: Final answer
    x = 711,364.00

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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.