Home / 914,528.07-1,261,820.74-527,461.88

Finding the Fourth Proportional to 914,528.07, 1,261,820.74 and 527,461.88

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Solution

The fourth proportional to 914,528.07, 1,261,820.74 and 527,461.88 is: 727,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,528.07 : 1,261,820.74 = 527,461.88 : x
  2. Step 2: Convert to fraction form
    914,528.07/1,261,820.74 = 527,461.88/x
  3. Step 3: Cross multiply
    914,528.07x = 1,261,820.74 × 527,461.88
  4. Step 4: Simplify right side
    914,528.07x = 665,562,332,115.63
  5. Step 5: Solve for x
    x = 665,562,332,115.63/914,528.07
  6. Step 6: Final answer
    x = 727,765.89

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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.