Home / 988,184.32-1,363,193.55-624,996.52

Finding the Fourth Proportional to 988,184.32, 1,363,193.55 and 624,996.52

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Solution

The fourth proportional to 988,184.32, 1,363,193.55 and 624,996.52 is: 862,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,184.32 : 1,363,193.55 = 624,996.52 : x
  2. Step 2: Convert to fraction form
    988,184.32/1,363,193.55 = 624,996.52/x
  3. Step 3: Cross multiply
    988,184.32x = 1,363,193.55 × 624,996.52
  4. Step 4: Simplify right side
    988,184.32x = 851,991,223,772.20
  5. Step 5: Solve for x
    x = 851,991,223,772.20/988,184.32
  6. Step 6: Final answer
    x = 862,178.45

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1.5x scale

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.