Home / 1,131,439.10-1,561,368.67-615,188.87

Finding the Fourth Proportional to 1,131,439.10, 1,561,368.67 and 615,188.87

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Solution

The fourth proportional to 1,131,439.10, 1,561,368.67 and 615,188.87 is: 848,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,439.10 : 1,561,368.67 = 615,188.87 : x
  2. Step 2: Convert to fraction form
    1,131,439.10/1,561,368.67 = 615,188.87/x
  3. Step 3: Cross multiply
    1,131,439.10x = 1,561,368.67 × 615,188.87
  4. Step 4: Simplify right side
    1,131,439.10x = 960,536,636,504.16
  5. Step 5: Solve for x
    x = 960,536,636,504.16/1,131,439.10
  6. Step 6: Final answer
    x = 848,951.25

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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.