Home / 841,387.36-1,161,161.60-459,449.60

Finding the Fourth Proportional to 841,387.36, 1,161,161.60 and 459,449.60

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Solution

The fourth proportional to 841,387.36, 1,161,161.60 and 459,449.60 is: 634,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,387.36 : 1,161,161.60 = 459,449.60 : x
  2. Step 2: Convert to fraction form
    841,387.36/1,161,161.60 = 459,449.60/x
  3. Step 3: Cross multiply
    841,387.36x = 1,161,161.60 × 459,449.60
  4. Step 4: Simplify right side
    841,387.36x = 533,495,232,655.36
  5. Step 5: Solve for x
    x = 533,495,232,655.36/841,387.36
  6. Step 6: Final answer
    x = 634,066.14

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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.