Home / 691,923.88-1,038,025.86-292,564

Finding the Fourth Proportional to 691,923.88, 1,038,025.86 and 292,564

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Solution

The fourth proportional to 691,923.88, 1,038,025.86 and 292,564 is: 438,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,923.88 : 1,038,025.86 = 292,564 : x
  2. Step 2: Convert to fraction form
    691,923.88/1,038,025.86 = 292,564/x
  3. Step 3: Cross multiply
    691,923.88x = 1,038,025.86 × 292,564
  4. Step 4: Simplify right side
    691,923.88x = 303,688,997,705.04
  5. Step 5: Solve for x
    x = 303,688,997,705.04/691,923.88
  6. Step 6: Final answer
    x = 438,905.21

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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.