Home / 734,881.32-1,102,038.54-285,543.04

Finding the Fourth Proportional to 734,881.32, 1,102,038.54 and 285,543.04

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Solution

The fourth proportional to 734,881.32, 1,102,038.54 and 285,543.04 is: 428,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,881.32 : 1,102,038.54 = 285,543.04 : x
  2. Step 2: Convert to fraction form
    734,881.32/1,102,038.54 = 285,543.04/x
  3. Step 3: Cross multiply
    734,881.32x = 1,102,038.54 × 285,543.04
  4. Step 4: Simplify right side
    734,881.32x = 314,679,434,908.76
  5. Step 5: Solve for x
    x = 314,679,434,908.76/734,881.32
  6. Step 6: Final answer
    x = 428,204.43

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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.