Home / 732,989.31-1,011,512.55-410,698.41

Finding the Fourth Proportional to 732,989.31, 1,011,512.55 and 410,698.41

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Solution

The fourth proportional to 732,989.31, 1,011,512.55 and 410,698.41 is: 566,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,989.31 : 1,011,512.55 = 410,698.41 : x
  2. Step 2: Convert to fraction form
    732,989.31/1,011,512.55 = 410,698.41/x
  3. Step 3: Cross multiply
    732,989.31x = 1,011,512.55 × 410,698.41
  4. Step 4: Simplify right side
    732,989.31x = 415,426,595,980.05
  5. Step 5: Solve for x
    x = 415,426,595,980.05/732,989.31
  6. Step 6: Final answer
    x = 566,756.69

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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.