Home / 877,710.07-1,317,614.87-522,891.19

Finding the Fourth Proportional to 877,710.07, 1,317,614.87 and 522,891.19

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Solution

The fourth proportional to 877,710.07, 1,317,614.87 and 522,891.19 is: 784,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,710.07 : 1,317,614.87 = 522,891.19 : x
  2. Step 2: Convert to fraction form
    877,710.07/1,317,614.87 = 522,891.19/x
  3. Step 3: Cross multiply
    877,710.07x = 1,317,614.87 × 522,891.19
  4. Step 4: Simplify right side
    877,710.07x = 688,969,207,336.00
  5. Step 5: Solve for x
    x = 688,969,207,336.00/877,710.07
  6. Step 6: Final answer
    x = 784,962.18

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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.