Home / 722,299.74-996,939.54-480,592.50

Finding the Fourth Proportional to 722,299.74, 996,939.54 and 480,592.50

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Solution

The fourth proportional to 722,299.74, 996,939.54 and 480,592.50 is: 663,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,299.74 : 996,939.54 = 480,592.50 : x
  2. Step 2: Convert to fraction form
    722,299.74/996,939.54 = 480,592.50/x
  3. Step 3: Cross multiply
    722,299.74x = 996,939.54 × 480,592.50
  4. Step 4: Simplify right side
    722,299.74x = 479,121,665,877.45
  5. Step 5: Solve for x
    x = 479,121,665,877.45/722,299.74
  6. Step 6: Final answer
    x = 663,328.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.