Home / 919,206.72-1,268,541.35-556,425.33

Finding the Fourth Proportional to 919,206.72, 1,268,541.35 and 556,425.33

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Solution

The fourth proportional to 919,206.72, 1,268,541.35 and 556,425.33 is: 767,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,206.72 : 1,268,541.35 = 556,425.33 : x
  2. Step 2: Convert to fraction form
    919,206.72/1,268,541.35 = 556,425.33/x
  3. Step 3: Cross multiply
    919,206.72x = 1,268,541.35 × 556,425.33
  4. Step 4: Simplify right side
    919,206.72x = 705,848,536,510.27
  5. Step 5: Solve for x
    x = 705,848,536,510.27/919,206.72
  6. Step 6: Final answer
    x = 767,888.79

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Double scale
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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.