Home / 554,532.40-831,795.90-217,334.80

Finding the Fourth Proportional to 554,532.40, 831,795.90 and 217,334.80

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Solution

The fourth proportional to 554,532.40, 831,795.90 and 217,334.80 is: 326,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,532.40 : 831,795.90 = 217,334.80 : x
  2. Step 2: Convert to fraction form
    554,532.40/831,795.90 = 217,334.80/x
  3. Step 3: Cross multiply
    554,532.40x = 831,795.90 × 217,334.80
  4. Step 4: Simplify right side
    554,532.40x = 180,778,195,567.32
  5. Step 5: Solve for x
    x = 180,778,195,567.32/554,532.40
  6. Step 6: Final answer
    x = 326,001.14

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1.5x scale

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.