Home / 554,500.48-831,393.02-217,575.17

Finding the Fourth Proportional to 554,500.48, 831,393.02 and 217,575.17

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Solution

The fourth proportional to 554,500.48, 831,393.02 and 217,575.17 is: 326,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,500.48 : 831,393.02 = 217,575.17 : x
  2. Step 2: Convert to fraction form
    554,500.48/831,393.02 = 217,575.17/x
  3. Step 3: Cross multiply
    554,500.48x = 831,393.02 × 217,575.17
  4. Step 4: Simplify right side
    554,500.48x = 180,890,477,663.31
  5. Step 5: Solve for x
    x = 180,890,477,663.31/554,500.48
  6. Step 6: Final answer
    x = 326,222.40

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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.