Home / 714,090.45-985,444.74-408,173.37

Finding the Fourth Proportional to 714,090.45, 985,444.74 and 408,173.37

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Solution

The fourth proportional to 714,090.45, 985,444.74 and 408,173.37 is: 563,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,090.45 : 985,444.74 = 408,173.37 : x
  2. Step 2: Convert to fraction form
    714,090.45/985,444.74 = 408,173.37/x
  3. Step 3: Cross multiply
    714,090.45x = 985,444.74 × 408,173.37
  4. Step 4: Simplify right side
    714,090.45x = 402,232,300,474.57
  5. Step 5: Solve for x
    x = 402,232,300,474.57/714,090.45
  6. Step 6: Final answer
    x = 563,279.20

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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.