Home / 656,583.04-906,084.84-354,777.04

Finding the Fourth Proportional to 656,583.04, 906,084.84 and 354,777.04

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Solution

The fourth proportional to 656,583.04, 906,084.84 and 354,777.04 is: 489,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,583.04 : 906,084.84 = 354,777.04 : x
  2. Step 2: Convert to fraction form
    656,583.04/906,084.84 = 354,777.04/x
  3. Step 3: Cross multiply
    656,583.04x = 906,084.84 × 354,777.04
  4. Step 4: Simplify right side
    656,583.04x = 321,458,097,524.07
  5. Step 5: Solve for x
    x = 321,458,097,524.07/656,583.04
  6. Step 6: Final answer
    x = 489,592.45

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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.