Home / 933,341.60-1,399,090.80-459,639.20

Finding the Fourth Proportional to 933,341.60, 1,399,090.80 and 459,639.20

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Solution

The fourth proportional to 933,341.60, 1,399,090.80 and 459,639.20 is: 689,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,341.60 : 1,399,090.80 = 459,639.20 : x
  2. Step 2: Convert to fraction form
    933,341.60/1,399,090.80 = 459,639.20/x
  3. Step 3: Cross multiply
    933,341.60x = 1,399,090.80 × 459,639.20
  4. Step 4: Simplify right side
    933,341.60x = 643,076,976,039.36
  5. Step 5: Solve for x
    x = 643,076,976,039.36/933,341.60
  6. Step 6: Final answer
    x = 689,004.94

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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.