Home / 879,999.96-1,214,226.54-535,743.48

Finding the Fourth Proportional to 879,999.96, 1,214,226.54 and 535,743.48

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Solution

The fourth proportional to 879,999.96, 1,214,226.54 and 535,743.48 is: 739,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,999.96 : 1,214,226.54 = 535,743.48 : x
  2. Step 2: Convert to fraction form
    879,999.96/1,214,226.54 = 535,743.48/x
  3. Step 3: Cross multiply
    879,999.96x = 1,214,226.54 × 535,743.48
  4. Step 4: Simplify right side
    879,999.96x = 650,513,952,047.96
  5. Step 5: Solve for x
    x = 650,513,952,047.96/879,999.96
  6. Step 6: Final answer
    x = 739,220.43

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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.