Home / 1,120,160.64-1,680,264-624,677.76

Finding the Fourth Proportional to 1,120,160.64, 1,680,264 and 624,677.76

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Solution

The fourth proportional to 1,120,160.64, 1,680,264 and 624,677.76 is: 937,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,160.64 : 1,680,264 = 624,677.76 : x
  2. Step 2: Convert to fraction form
    1,120,160.64/1,680,264 = 624,677.76/x
  3. Step 3: Cross multiply
    1,120,160.64x = 1,680,264 × 624,677.76
  4. Step 4: Simplify right side
    1,120,160.64x = 1,049,623,551,728.64
  5. Step 5: Solve for x
    x = 1,049,623,551,728.64/1,120,160.64
  6. Step 6: Final answer
    x = 937,029.49

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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.