Home / 838,646.01-1,157,380.19-631,543.64

Finding the Fourth Proportional to 838,646.01, 1,157,380.19 and 631,543.64

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Solution

The fourth proportional to 838,646.01, 1,157,380.19 and 631,543.64 is: 871,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,646.01 : 1,157,380.19 = 631,543.64 : x
  2. Step 2: Convert to fraction form
    838,646.01/1,157,380.19 = 631,543.64/x
  3. Step 3: Cross multiply
    838,646.01x = 1,157,380.19 × 631,543.64
  4. Step 4: Simplify right side
    838,646.01x = 730,936,089,111.87
  5. Step 5: Solve for x
    x = 730,936,089,111.87/838,646.01
  6. Step 6: Final answer
    x = 871,566.88

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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.