Home / 785,695.16-1,084,259.50-427,999.16

Finding the Fourth Proportional to 785,695.16, 1,084,259.50 and 427,999.16

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Solution

The fourth proportional to 785,695.16, 1,084,259.50 and 427,999.16 is: 590,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,695.16 : 1,084,259.50 = 427,999.16 : x
  2. Step 2: Convert to fraction form
    785,695.16/1,084,259.50 = 427,999.16/x
  3. Step 3: Cross multiply
    785,695.16x = 1,084,259.50 × 427,999.16
  4. Step 4: Simplify right side
    785,695.16x = 464,062,155,222.02
  5. Step 5: Solve for x
    x = 464,062,155,222.02/785,695.16
  6. Step 6: Final answer
    x = 590,638.94

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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.