Home / 1,326,908.60-1,990,622.10-528,054.20

Finding the Fourth Proportional to 1,326,908.60, 1,990,622.10 and 528,054.20

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Solution

The fourth proportional to 1,326,908.60, 1,990,622.10 and 528,054.20 is: 792,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,908.60 : 1,990,622.10 = 528,054.20 : x
  2. Step 2: Convert to fraction form
    1,326,908.60/1,990,622.10 = 528,054.20/x
  3. Step 3: Cross multiply
    1,326,908.60x = 1,990,622.10 × 528,054.20
  4. Step 4: Simplify right side
    1,326,908.60x = 1,051,156,360,517.82
  5. Step 5: Solve for x
    x = 1,051,156,360,517.82/1,326,908.60
  6. Step 6: Final answer
    x = 792,184.45

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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.