Home / 732,100.16-1,010,285.54-405,406.68

Finding the Fourth Proportional to 732,100.16, 1,010,285.54 and 405,406.68

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Solution

The fourth proportional to 732,100.16, 1,010,285.54 and 405,406.68 is: 559,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,100.16 : 1,010,285.54 = 405,406.68 : x
  2. Step 2: Convert to fraction form
    732,100.16/1,010,285.54 = 405,406.68/x
  3. Step 3: Cross multiply
    732,100.16x = 1,010,285.54 × 405,406.68
  4. Step 4: Simplify right side
    732,100.16x = 409,576,504,596.37
  5. Step 5: Solve for x
    x = 409,576,504,596.37/732,100.16
  6. Step 6: Final answer
    x = 559,454.20

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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.