Home / 834,359.40-1,151,409.02-471,854.42

Finding the Fourth Proportional to 834,359.40, 1,151,409.02 and 471,854.42

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Solution

The fourth proportional to 834,359.40, 1,151,409.02 and 471,854.42 is: 651,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,359.40 : 1,151,409.02 = 471,854.42 : x
  2. Step 2: Convert to fraction form
    834,359.40/1,151,409.02 = 471,854.42/x
  3. Step 3: Cross multiply
    834,359.40x = 1,151,409.02 × 471,854.42
  4. Step 4: Simplify right side
    834,359.40x = 543,297,435,314.87
  5. Step 5: Solve for x
    x = 543,297,435,314.87/834,359.40
  6. Step 6: Final answer
    x = 651,155.17

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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.