Home / 1,968,197.60-2,952,296.40-638,501.60

Finding the Fourth Proportional to 1,968,197.60, 2,952,296.40 and 638,501.60

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Solution

The fourth proportional to 1,968,197.60, 2,952,296.40 and 638,501.60 is: 957,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,197.60 : 2,952,296.40 = 638,501.60 : x
  2. Step 2: Convert to fraction form
    1,968,197.60/2,952,296.40 = 638,501.60/x
  3. Step 3: Cross multiply
    1,968,197.60x = 2,952,296.40 × 638,501.60
  4. Step 4: Simplify right side
    1,968,197.60x = 1,885,045,975,074.24
  5. Step 5: Solve for x
    x = 1,885,045,975,074.24/1,968,197.60
  6. Step 6: Final answer
    x = 957,752.40

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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.