Home / 877,708.23-1,317,612.10-522,889.35

Finding the Fourth Proportional to 877,708.23, 1,317,612.10 and 522,889.35

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Solution

The fourth proportional to 877,708.23, 1,317,612.10 and 522,889.35 is: 784,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,708.23 : 1,317,612.10 = 522,889.35 : x
  2. Step 2: Convert to fraction form
    877,708.23/1,317,612.10 = 522,889.35/x
  3. Step 3: Cross multiply
    877,708.23x = 1,317,612.10 × 522,889.35
  4. Step 4: Simplify right side
    877,708.23x = 688,965,329,253.28
  5. Step 5: Solve for x
    x = 688,965,329,253.28/877,708.23
  6. Step 6: Final answer
    x = 784,959.41

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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.