Home / 785,693.16-1,084,256.74-427,997.16

Finding the Fourth Proportional to 785,693.16, 1,084,256.74 and 427,997.16

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Solution

The fourth proportional to 785,693.16, 1,084,256.74 and 427,997.16 is: 590,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,693.16 : 1,084,256.74 = 427,997.16 : x
  2. Step 2: Convert to fraction form
    785,693.16/1,084,256.74 = 427,997.16/x
  3. Step 3: Cross multiply
    785,693.16x = 1,084,256.74 × 427,997.16
  4. Step 4: Simplify right side
    785,693.16x = 464,058,805,430.86
  5. Step 5: Solve for x
    x = 464,058,805,430.86/785,693.16
  6. Step 6: Final answer
    x = 590,636.18

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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.