Home / 605,091.40-907,637.10-406,025.80

Finding the Fourth Proportional to 605,091.40, 907,637.10 and 406,025.80

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Solution

The fourth proportional to 605,091.40, 907,637.10 and 406,025.80 is: 609,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,091.40 : 907,637.10 = 406,025.80 : x
  2. Step 2: Convert to fraction form
    605,091.40/907,637.10 = 406,025.80/x
  3. Step 3: Cross multiply
    605,091.40x = 907,637.10 × 406,025.80
  4. Step 4: Simplify right side
    605,091.40x = 368,524,079,637.18
  5. Step 5: Solve for x
    x = 368,524,079,637.18/605,091.40
  6. Step 6: Final answer
    x = 609,038.70

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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.