Home / 1,784,820.64-2,678,294.78-647,671.57

Finding the Fourth Proportional to 1,784,820.64, 2,678,294.78 and 647,671.57

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Solution

The fourth proportional to 1,784,820.64, 2,678,294.78 and 647,671.57 is: 971,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,820.64 : 2,678,294.78 = 647,671.57 : x
  2. Step 2: Convert to fraction form
    1,784,820.64/2,678,294.78 = 647,671.57/x
  3. Step 3: Cross multiply
    1,784,820.64x = 2,678,294.78 × 647,671.57
  4. Step 4: Simplify right side
    1,784,820.64x = 1,734,655,385,085.40
  5. Step 5: Solve for x
    x = 1,734,655,385,085.40/1,784,820.64
  6. Step 6: Final answer
    x = 971,893.39

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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.