Home / 903,851.66-1,356,130.35-398,057.19

Finding the Fourth Proportional to 903,851.66, 1,356,130.35 and 398,057.19

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Solution

The fourth proportional to 903,851.66, 1,356,130.35 and 398,057.19 is: 597,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,851.66 : 1,356,130.35 = 398,057.19 : x
  2. Step 2: Convert to fraction form
    903,851.66/1,356,130.35 = 398,057.19/x
  3. Step 3: Cross multiply
    903,851.66x = 1,356,130.35 × 398,057.19
  4. Step 4: Simplify right side
    903,851.66x = 539,817,431,309.23
  5. Step 5: Solve for x
    x = 539,817,431,309.23/903,851.66
  6. Step 6: Final answer
    x = 597,241.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.