Home / 809,278.14-1,116,803.96-446,702.16

Finding the Fourth Proportional to 809,278.14, 1,116,803.96 and 446,702.16

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Solution

The fourth proportional to 809,278.14, 1,116,803.96 and 446,702.16 is: 616,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,278.14 : 1,116,803.96 = 446,702.16 : x
  2. Step 2: Convert to fraction form
    809,278.14/1,116,803.96 = 446,702.16/x
  3. Step 3: Cross multiply
    809,278.14x = 1,116,803.96 × 446,702.16
  4. Step 4: Simplify right side
    809,278.14x = 498,878,733,411.02
  5. Step 5: Solve for x
    x = 498,878,733,411.02/809,278.14
  6. Step 6: Final answer
    x = 616,449.04

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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.