Home / 663,117.45-994,683.03-530,838.60

Finding the Fourth Proportional to 663,117.45, 994,683.03 and 530,838.60

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Solution

The fourth proportional to 663,117.45, 994,683.03 and 530,838.60 is: 796,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,117.45 : 994,683.03 = 530,838.60 : x
  2. Step 2: Convert to fraction form
    663,117.45/994,683.03 = 530,838.60/x
  3. Step 3: Cross multiply
    663,117.45x = 994,683.03 × 530,838.60
  4. Step 4: Simplify right side
    663,117.45x = 528,016,147,088.96
  5. Step 5: Solve for x
    x = 528,016,147,088.96/663,117.45
  6. Step 6: Final answer
    x = 796,263.39

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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.