Home / 748,295.46-1,122,439.95-187,328.34

Finding the Fourth Proportional to 748,295.46, 1,122,439.95 and 187,328.34

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Solution

The fourth proportional to 748,295.46, 1,122,439.95 and 187,328.34 is: 280,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,295.46 : 1,122,439.95 = 187,328.34 : x
  2. Step 2: Convert to fraction form
    748,295.46/1,122,439.95 = 187,328.34/x
  3. Step 3: Cross multiply
    748,295.46x = 1,122,439.95 × 187,328.34
  4. Step 4: Simplify right side
    748,295.46x = 210,264,812,583.18
  5. Step 5: Solve for x
    x = 210,264,812,583.18/748,295.46
  6. Step 6: Final answer
    x = 280,991.70

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Double scale
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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.