Home / 1,968,613.80-2,952,920.70-472,705.80

Finding the Fourth Proportional to 1,968,613.80, 2,952,920.70 and 472,705.80

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Solution

The fourth proportional to 1,968,613.80, 2,952,920.70 and 472,705.80 is: 709,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,613.80 : 2,952,920.70 = 472,705.80 : x
  2. Step 2: Convert to fraction form
    1,968,613.80/2,952,920.70 = 472,705.80/x
  3. Step 3: Cross multiply
    1,968,613.80x = 2,952,920.70 × 472,705.80
  4. Step 4: Simplify right side
    1,968,613.80x = 1,395,862,741,830.06
  5. Step 5: Solve for x
    x = 1,395,862,741,830.06/1,968,613.80
  6. Step 6: Final answer
    x = 709,058.70

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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.