Home / 1,326,895.60-1,990,602.60-528,041.20

Finding the Fourth Proportional to 1,326,895.60, 1,990,602.60 and 528,041.20

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Solution

The fourth proportional to 1,326,895.60, 1,990,602.60 and 528,041.20 is: 792,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,895.60 : 1,990,602.60 = 528,041.20 : x
  2. Step 2: Convert to fraction form
    1,326,895.60/1,990,602.60 = 528,041.20/x
  3. Step 3: Cross multiply
    1,326,895.60x = 1,990,602.60 × 528,041.20
  4. Step 4: Simplify right side
    1,326,895.60x = 1,051,120,185,627.12
  5. Step 5: Solve for x
    x = 1,051,120,185,627.12/1,326,895.60
  6. Step 6: Final answer
    x = 792,164.95

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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.