Home / 919,207.72-1,268,542.73-556,426.33

Finding the Fourth Proportional to 919,207.72, 1,268,542.73 and 556,426.33

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Solution

The fourth proportional to 919,207.72, 1,268,542.73 and 556,426.33 is: 767,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,207.72 : 1,268,542.73 = 556,426.33 : x
  2. Step 2: Convert to fraction form
    919,207.72/1,268,542.73 = 556,426.33/x
  3. Step 3: Cross multiply
    919,207.72x = 1,268,542.73 × 556,426.33
  4. Step 4: Simplify right side
    919,207.72x = 705,850,575,702.08
  5. Step 5: Solve for x
    x = 705,850,575,702.08/919,207.72
  6. Step 6: Final answer
    x = 767,890.17

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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.