Home / 528,917.90-793,371.38-129,560.76

Finding the Fourth Proportional to 528,917.90, 793,371.38 and 129,560.76

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Solution

The fourth proportional to 528,917.90, 793,371.38 and 129,560.76 is: 194,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,917.90 : 793,371.38 = 129,560.76 : x
  2. Step 2: Convert to fraction form
    528,917.90/793,371.38 = 129,560.76/x
  3. Step 3: Cross multiply
    528,917.90x = 793,371.38 × 129,560.76
  4. Step 4: Simplify right side
    528,917.90x = 102,789,798,307.25
  5. Step 5: Solve for x
    x = 102,789,798,307.25/528,917.90
  6. Step 6: Final answer
    x = 194,339.80

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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.