Home / 880,123.32-1,213,541.46-816,350.40

Finding the Fourth Proportional to 880,123.32, 1,213,541.46 and 816,350.40

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Solution

The fourth proportional to 880,123.32, 1,213,541.46 and 816,350.40 is: 1,125,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,123.32 : 1,213,541.46 = 816,350.40 : x
  2. Step 2: Convert to fraction form
    880,123.32/1,213,541.46 = 816,350.40/x
  3. Step 3: Cross multiply
    880,123.32x = 1,213,541.46 × 816,350.40
  4. Step 4: Simplify right side
    880,123.32x = 990,675,056,287.58
  5. Step 5: Solve for x
    x = 990,675,056,287.58/880,123.32
  6. Step 6: Final answer
    x = 1,125,609.37

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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.