Home / 2,688,655.60-4,032,983.40-694,111.60

Finding the Fourth Proportional to 2,688,655.60, 4,032,983.40 and 694,111.60

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Solution

The fourth proportional to 2,688,655.60, 4,032,983.40 and 694,111.60 is: 1,041,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,655.60 : 4,032,983.40 = 694,111.60 : x
  2. Step 2: Convert to fraction form
    2,688,655.60/4,032,983.40 = 694,111.60/x
  3. Step 3: Cross multiply
    2,688,655.60x = 4,032,983.40 × 694,111.60
  4. Step 4: Simplify right side
    2,688,655.60x = 2,799,340,560,547.44
  5. Step 5: Solve for x
    x = 2,799,340,560,547.44/2,688,655.60
  6. Step 6: Final answer
    x = 1,041,167.40

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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.