Home / 834,409.80-1,151,508.16-471,887.87

Finding the Fourth Proportional to 834,409.80, 1,151,508.16 and 471,887.87

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Solution

The fourth proportional to 834,409.80, 1,151,508.16 and 471,887.87 is: 651,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,409.80 : 1,151,508.16 = 471,887.87 : x
  2. Step 2: Convert to fraction form
    834,409.80/1,151,508.16 = 471,887.87/x
  3. Step 3: Cross multiply
    834,409.80x = 1,151,508.16 × 471,887.87
  4. Step 4: Simplify right side
    834,409.80x = 543,382,730,550.58
  5. Step 5: Solve for x
    x = 543,382,730,550.58/834,409.80
  6. Step 6: Final answer
    x = 651,218.06

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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.