Home / 458,923.36-688,281.06-174,512.50

Finding the Fourth Proportional to 458,923.36, 688,281.06 and 174,512.50

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Solution

The fourth proportional to 458,923.36, 688,281.06 and 174,512.50 is: 261,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,923.36 : 688,281.06 = 174,512.50 : x
  2. Step 2: Convert to fraction form
    458,923.36/688,281.06 = 174,512.50/x
  3. Step 3: Cross multiply
    458,923.36x = 688,281.06 × 174,512.50
  4. Step 4: Simplify right side
    458,923.36x = 120,113,648,483.25
  5. Step 5: Solve for x
    x = 120,113,648,483.25/458,923.36
  6. Step 6: Final answer
    x = 261,729.21

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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.