Home / 1,092,157.40-1,637,069.70-417,978.20

Finding the Fourth Proportional to 1,092,157.40, 1,637,069.70 and 417,978.20

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Solution

The fourth proportional to 1,092,157.40, 1,637,069.70 and 417,978.20 is: 626,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,157.40 : 1,637,069.70 = 417,978.20 : x
  2. Step 2: Convert to fraction form
    1,092,157.40/1,637,069.70 = 417,978.20/x
  3. Step 3: Cross multiply
    1,092,157.40x = 1,637,069.70 × 417,978.20
  4. Step 4: Simplify right side
    1,092,157.40x = 684,259,446,480.54
  5. Step 5: Solve for x
    x = 684,259,446,480.54/1,092,157.40
  6. Step 6: Final answer
    x = 626,520.91

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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.