Home / 829,287.17-1,242,634.76-577,060.46

Finding the Fourth Proportional to 829,287.17, 1,242,634.76 and 577,060.46

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Solution

The fourth proportional to 829,287.17, 1,242,634.76 and 577,060.46 is: 864,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,287.17 : 1,242,634.76 = 577,060.46 : x
  2. Step 2: Convert to fraction form
    829,287.17/1,242,634.76 = 577,060.46/x
  3. Step 3: Cross multiply
    829,287.17x = 1,242,634.76 × 577,060.46
  4. Step 4: Simplify right side
    829,287.17x = 717,075,383,332.29
  5. Step 5: Solve for x
    x = 717,075,383,332.29/829,287.17
  6. Step 6: Final answer
    x = 864,688.87

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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.