Home / 926,480.84-1,389,960.85-542,553.90

Finding the Fourth Proportional to 926,480.84, 1,389,960.85 and 542,553.90

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Solution

The fourth proportional to 926,480.84, 1,389,960.85 and 542,553.90 is: 813,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,480.84 : 1,389,960.85 = 542,553.90 : x
  2. Step 2: Convert to fraction form
    926,480.84/1,389,960.85 = 542,553.90/x
  3. Step 3: Cross multiply
    926,480.84x = 1,389,960.85 × 542,553.90
  4. Step 4: Simplify right side
    926,480.84x = 754,128,680,014.82
  5. Step 5: Solve for x
    x = 754,128,680,014.82/926,480.84
  6. Step 6: Final answer
    x = 813,971.16

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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.