Home / 1,060,032.20-1,590,125.10-638,400.20

Finding the Fourth Proportional to 1,060,032.20, 1,590,125.10 and 638,400.20

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Solution

The fourth proportional to 1,060,032.20, 1,590,125.10 and 638,400.20 is: 957,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,032.20 : 1,590,125.10 = 638,400.20 : x
  2. Step 2: Convert to fraction form
    1,060,032.20/1,590,125.10 = 638,400.20/x
  3. Step 3: Cross multiply
    1,060,032.20x = 1,590,125.10 × 638,400.20
  4. Step 4: Simplify right side
    1,060,032.20x = 1,015,136,181,865.02
  5. Step 5: Solve for x
    x = 1,015,136,181,865.02/1,060,032.20
  6. Step 6: Final answer
    x = 957,646.55

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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.