Home / 587,683.32-811,336.02-449,602.46

Finding the Fourth Proportional to 587,683.32, 811,336.02 and 449,602.46

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Solution

The fourth proportional to 587,683.32, 811,336.02 and 449,602.46 is: 620,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,683.32 : 811,336.02 = 449,602.46 : x
  2. Step 2: Convert to fraction form
    587,683.32/811,336.02 = 449,602.46/x
  3. Step 3: Cross multiply
    587,683.32x = 811,336.02 × 449,602.46
  4. Step 4: Simplify right side
    587,683.32x = 364,778,670,478.61
  5. Step 5: Solve for x
    x = 364,778,670,478.61/587,683.32
  6. Step 6: Final answer
    x = 620,706.18

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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.