Home / 1,968,547.80-2,952,821.70-472,639.80

Finding the Fourth Proportional to 1,968,547.80, 2,952,821.70 and 472,639.80

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Solution

The fourth proportional to 1,968,547.80, 2,952,821.70 and 472,639.80 is: 708,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,547.80 : 2,952,821.70 = 472,639.80 : x
  2. Step 2: Convert to fraction form
    1,968,547.80/2,952,821.70 = 472,639.80/x
  3. Step 3: Cross multiply
    1,968,547.80x = 2,952,821.70 × 472,639.80
  4. Step 4: Simplify right side
    1,968,547.80x = 1,395,621,057,723.66
  5. Step 5: Solve for x
    x = 1,395,621,057,723.66/1,968,547.80
  6. Step 6: Final answer
    x = 708,959.70

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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.